Home / 42,473.29-63,711.38-11,308.57

Finding the Fourth Proportional to 42,473.29, 63,711.38 and 11,308.57

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Solution

The fourth proportional to 42,473.29, 63,711.38 and 11,308.57 is: 16,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,473.29 : 63,711.38 = 11,308.57 : x
  2. Step 2: Convert to fraction form
    42,473.29/63,711.38 = 11,308.57/x
  3. Step 3: Cross multiply
    42,473.29x = 63,711.38 × 11,308.57
  4. Step 4: Simplify right side
    42,473.29x = 720,484,600.53
  5. Step 5: Solve for x
    x = 720,484,600.53/42,473.29
  6. Step 6: Final answer
    x = 16,963.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.