Question

hdtv screens typically have a width - to - height ratio of 16:9. the width of one hdtv screen is 48 inches. what is the height of the hdtv screen?
\\(\frac{16}{9}=\frac{48}{square}\\)
36 inches
27 inches
41 inches
85 inches

Explanation:

Step1: Set up proportion equation

Let $h$ = height. $\frac{16}{9} = \frac{48}{h}$

Step2: Cross-multiply to solve for $h$

$16h = 48 \times 9$

Step3: Calculate right-hand side

$16h = 432$

Step4: Isolate $h$

$h = \frac{432}{16} = 27$

Answer:

27 inches