Home / 63,534.78-95,310.94-21,426.90

Finding the Fourth Proportional to 63,534.78, 95,310.94 and 21,426.90

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Solution

The fourth proportional to 63,534.78, 95,310.94 and 21,426.90 is: 32,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,534.78 : 95,310.94 = 21,426.90 : x
  2. Step 2: Convert to fraction form
    63,534.78/95,310.94 = 21,426.90/x
  3. Step 3: Cross multiply
    63,534.78x = 95,310.94 × 21,426.90
  4. Step 4: Simplify right side
    63,534.78x = 2,042,218,443.80
  5. Step 5: Solve for x
    x = 2,042,218,443.80/63,534.78
  6. Step 6: Final answer
    x = 32,143.31

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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.