Home / 42,134.64-63,177.50-19,947.83

Finding the Fourth Proportional to 42,134.64, 63,177.50 and 19,947.83

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Solution

The fourth proportional to 42,134.64, 63,177.50 and 19,947.83 is: 29,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,134.64 : 63,177.50 = 19,947.83 : x
  2. Step 2: Convert to fraction form
    42,134.64/63,177.50 = 19,947.83/x
  3. Step 3: Cross multiply
    42,134.64x = 63,177.50 × 19,947.83
  4. Step 4: Simplify right side
    42,134.64x = 1,260,253,763.81
  5. Step 5: Solve for x
    x = 1,260,253,763.81/42,134.64
  6. Step 6: Final answer
    x = 29,910.16

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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.