Home / 40,685.73-61,039.62-36,781.95

Finding the Fourth Proportional to 40,685.73, 61,039.62 and 36,781.95

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Solution

The fourth proportional to 40,685.73, 61,039.62 and 36,781.95 is: 55,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685.73 : 61,039.62 = 36,781.95 : x
  2. Step 2: Convert to fraction form
    40,685.73/61,039.62 = 36,781.95/x
  3. Step 3: Cross multiply
    40,685.73x = 61,039.62 × 36,781.95
  4. Step 4: Simplify right side
    40,685.73x = 2,245,156,250.86
  5. Step 5: Solve for x
    x = 2,245,156,250.86/40,685.73
  6. Step 6: Final answer
    x = 55,182.89

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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.