Home / 41,398.76-62,091.18-11,809.86

Finding the Fourth Proportional to 41,398.76, 62,091.18 and 11,809.86

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Solution

The fourth proportional to 41,398.76, 62,091.18 and 11,809.86 is: 17,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,398.76 : 62,091.18 = 11,809.86 : x
  2. Step 2: Convert to fraction form
    41,398.76/62,091.18 = 11,809.86/x
  3. Step 3: Cross multiply
    41,398.76x = 62,091.18 × 11,809.86
  4. Step 4: Simplify right side
    41,398.76x = 733,288,143.03
  5. Step 5: Solve for x
    x = 733,288,143.03/41,398.76
  6. Step 6: Final answer
    x = 17,712.81

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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.