Home / 41,920.90-62,874.51-12,331.81

Finding the Fourth Proportional to 41,920.90, 62,874.51 and 12,331.81

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Solution

The fourth proportional to 41,920.90, 62,874.51 and 12,331.81 is: 18,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.90 : 62,874.51 = 12,331.81 : x
  2. Step 2: Convert to fraction form
    41,920.90/62,874.51 = 12,331.81/x
  3. Step 3: Cross multiply
    41,920.90x = 62,874.51 × 12,331.81
  4. Step 4: Simplify right side
    41,920.90x = 775,356,793.19
  5. Step 5: Solve for x
    x = 775,356,793.19/41,920.90
  6. Step 6: Final answer
    x = 18,495.71

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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.