indirect function

Question

 y varies directly as x such that when x = -52, y = -39. When y = 34.5, what is the value of x?

Answer 1

-39=-52k

k= 39/52= 3/4

y=(3/4)x

34.5 = 3x/4

x = (4/3)(34.5) = 4(11.5) = 46