Home / 63,421.38-95,124.78-21,299.76

Finding the Fourth Proportional to 63,421.38, 95,124.78 and 21,299.76

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Solution

The fourth proportional to 63,421.38, 95,124.78 and 21,299.76 is: 31,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.38 : 95,124.78 = 21,299.76 : x
  2. Step 2: Convert to fraction form
    63,421.38/95,124.78 = 21,299.76/x
  3. Step 3: Cross multiply
    63,421.38x = 95,124.78 × 21,299.76
  4. Step 4: Simplify right side
    63,421.38x = 2,026,134,984.05
  5. Step 5: Solve for x
    x = 2,026,134,984.05/63,421.38
  6. Step 6: Final answer
    x = 31,947.19

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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.