Home / 33,639.02-46,418.35-20,716.24

Finding the Fourth Proportional to 33,639.02, 46,418.35 and 20,716.24

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Solution

The fourth proportional to 33,639.02, 46,418.35 and 20,716.24 is: 28,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,639.02 : 46,418.35 = 20,716.24 : x
  2. Step 2: Convert to fraction form
    33,639.02/46,418.35 = 20,716.24/x
  3. Step 3: Cross multiply
    33,639.02x = 46,418.35 × 20,716.24
  4. Step 4: Simplify right side
    33,639.02x = 961,613,343.33
  5. Step 5: Solve for x
    x = 961,613,343.33/33,639.02
  6. Step 6: Final answer
    x = 28,586.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.