Home / 63,332.28-87,376.32-39,439.17

Finding the Fourth Proportional to 63,332.28, 87,376.32 and 39,439.17

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Solution

The fourth proportional to 63,332.28, 87,376.32 and 39,439.17 is: 54,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,332.28 : 87,376.32 = 39,439.17 : x
  2. Step 2: Convert to fraction form
    63,332.28/87,376.32 = 39,439.17/x
  3. Step 3: Cross multiply
    63,332.28x = 87,376.32 × 39,439.17
  4. Step 4: Simplify right side
    63,332.28x = 3,446,049,538.45
  5. Step 5: Solve for x
    x = 3,446,049,538.45/63,332.28
  6. Step 6: Final answer
    x = 54,412.21

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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.