Home / 63,451.13-95,178.22-21,331.76

Finding the Fourth Proportional to 63,451.13, 95,178.22 and 21,331.76

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Solution

The fourth proportional to 63,451.13, 95,178.22 and 21,331.76 is: 31,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,451.13 : 95,178.22 = 21,331.76 : x
  2. Step 2: Convert to fraction form
    63,451.13/95,178.22 = 21,331.76/x
  3. Step 3: Cross multiply
    63,451.13x = 95,178.22 × 21,331.76
  4. Step 4: Simplify right side
    63,451.13x = 2,030,318,417.05
  5. Step 5: Solve for x
    x = 2,030,318,417.05/63,451.13
  6. Step 6: Final answer
    x = 31,998.15

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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.