Home / 38,951,959.50-53,755,286.85-21,548,004.66

Finding the Fourth Proportional to 38,951,959.50, 53,755,286.85 and 21,548,004.66

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Solution

The fourth proportional to 38,951,959.50, 53,755,286.85 and 21,548,004.66 is: 29,737,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951,959.50 : 53,755,286.85 = 21,548,004.66 : x
  2. Step 2: Convert to fraction form
    38,951,959.50/53,755,286.85 = 21,548,004.66/x
  3. Step 3: Cross multiply
    38,951,959.50x = 53,755,286.85 × 21,548,004.66
  4. Step 4: Simplify right side
    38,951,959.50x = 1,158,319,171,543,436.75
  5. Step 5: Solve for x
    x = 1,158,319,171,543,436.75/38,951,959.50
  6. Step 6: Final answer
    x = 29,737,121.99

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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.