Home / 41,920.10-62,887.91-13,842.11

Finding the Fourth Proportional to 41,920.10, 62,887.91 and 13,842.11

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Solution

The fourth proportional to 41,920.10, 62,887.91 and 13,842.11 is: 20,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.10 : 62,887.91 = 13,842.11 : x
  2. Step 2: Convert to fraction form
    41,920.10/62,887.91 = 13,842.11/x
  3. Step 3: Cross multiply
    41,920.10x = 62,887.91 × 13,842.11
  4. Step 4: Simplify right side
    41,920.10x = 870,501,367.89
  5. Step 5: Solve for x
    x = 870,501,367.89/41,920.10
  6. Step 6: Final answer
    x = 20,765.73

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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.