Home / 41,639.48-62,446.20-13,931

Finding the Fourth Proportional to 41,639.48, 62,446.20 and 13,931

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Solution

The fourth proportional to 41,639.48, 62,446.20 and 13,931 is: 20,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,639.48 : 62,446.20 = 13,931 : x
  2. Step 2: Convert to fraction form
    41,639.48/62,446.20 = 13,931/x
  3. Step 3: Cross multiply
    41,639.48x = 62,446.20 × 13,931
  4. Step 4: Simplify right side
    41,639.48x = 869,938,012.20
  5. Step 5: Solve for x
    x = 869,938,012.20/41,639.48
  6. Step 6: Final answer
    x = 20,892.14

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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.