Home / 36,390.29-54,593.12-11,432.86

Finding the Fourth Proportional to 36,390.29, 54,593.12 and 11,432.86

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Solution

The fourth proportional to 36,390.29, 54,593.12 and 11,432.86 is: 17,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.29 : 54,593.12 = 11,432.86 : x
  2. Step 2: Convert to fraction form
    36,390.29/54,593.12 = 11,432.86/x
  3. Step 3: Cross multiply
    36,390.29x = 54,593.12 × 11,432.86
  4. Step 4: Simplify right side
    36,390.29x = 624,155,497.92
  5. Step 5: Solve for x
    x = 624,155,497.92/36,390.29
  6. Step 6: Final answer
    x = 17,151.70

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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.