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Finding the Fourth Proportional to 41,898.62, 62,834.43 and 13,812.14

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Solution

The fourth proportional to 41,898.62, 62,834.43 and 13,812.14 is: 20,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,898.62 : 62,834.43 = 13,812.14 : x
  2. Step 2: Convert to fraction form
    41,898.62/62,834.43 = 13,812.14/x
  3. Step 3: Cross multiply
    41,898.62x = 62,834.43 × 13,812.14
  4. Step 4: Simplify right side
    41,898.62x = 867,878,152.86
  5. Step 5: Solve for x
    x = 867,878,152.86/41,898.62
  6. Step 6: Final answer
    x = 20,713.76

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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.