Home / 42,456.11-63,680.25-14,372.96

Finding the Fourth Proportional to 42,456.11, 63,680.25 and 14,372.96

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Solution

The fourth proportional to 42,456.11, 63,680.25 and 14,372.96 is: 21,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,456.11 : 63,680.25 = 14,372.96 : x
  2. Step 2: Convert to fraction form
    42,456.11/63,680.25 = 14,372.96/x
  3. Step 3: Cross multiply
    42,456.11x = 63,680.25 × 14,372.96
  4. Step 4: Simplify right side
    42,456.11x = 915,273,367.64
  5. Step 5: Solve for x
    x = 915,273,367.64/42,456.11
  6. Step 6: Final answer
    x = 21,558.11

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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.