Home / 41,131.82-61,697.92-12,668.43

Finding the Fourth Proportional to 41,131.82, 61,697.92 and 12,668.43

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Solution

The fourth proportional to 41,131.82, 61,697.92 and 12,668.43 is: 19,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.82 : 61,697.92 = 12,668.43 : x
  2. Step 2: Convert to fraction form
    41,131.82/61,697.92 = 12,668.43/x
  3. Step 3: Cross multiply
    41,131.82x = 61,697.92 × 12,668.43
  4. Step 4: Simplify right side
    41,131.82x = 781,615,780.67
  5. Step 5: Solve for x
    x = 781,615,780.67/41,131.82
  6. Step 6: Final answer
    x = 19,002.70

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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.