Final answer:
To complete the proportion AB / wx = CD / AD, set up two proportions for length and width. Find the missing value by solving the proportion for length and determining the value of CD / AD.
Step-by-step explanation:
To complete the proportion AB / wx = CD / AD, we need to find the missing value. We can set up two proportions, one for length and one for width. For the length, we have w / 30 = 0.5 / 5. Solving this, we get w = 6. For the width, we have AB / 6 = CD / AD. To determine the value of CD / AD, we need more information.