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Finding the Fourth Proportional to 63,442.70, 95,156.63 and 25,490.43

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Solution

The fourth proportional to 63,442.70, 95,156.63 and 25,490.43 is: 38,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,442.70 : 95,156.63 = 25,490.43 : x
  2. Step 2: Convert to fraction form
    63,442.70/95,156.63 = 25,490.43/x
  3. Step 3: Cross multiply
    63,442.70x = 95,156.63 × 25,490.43
  4. Step 4: Simplify right side
    63,442.70x = 2,425,583,416.05
  5. Step 5: Solve for x
    x = 2,425,583,416.05/63,442.70
  6. Step 6: Final answer
    x = 38,232.66

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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.