Home / 41,781.04-62,691.52-18,404.40

Finding the Fourth Proportional to 41,781.04, 62,691.52 and 18,404.40

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Solution

The fourth proportional to 41,781.04, 62,691.52 and 18,404.40 is: 27,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,781.04 : 62,691.52 = 18,404.40 : x
  2. Step 2: Convert to fraction form
    41,781.04/62,691.52 = 18,404.40/x
  3. Step 3: Cross multiply
    41,781.04x = 62,691.52 × 18,404.40
  4. Step 4: Simplify right side
    41,781.04x = 1,153,799,810.69
  5. Step 5: Solve for x
    x = 1,153,799,810.69/41,781.04
  6. Step 6: Final answer
    x = 27,615.39

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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.