Home / 41,758.74-62,636.49-13,680.90

Finding the Fourth Proportional to 41,758.74, 62,636.49 and 13,680.90

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Solution

The fourth proportional to 41,758.74, 62,636.49 and 13,680.90 is: 20,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,758.74 : 62,636.49 = 13,680.90 : x
  2. Step 2: Convert to fraction form
    41,758.74/62,636.49 = 13,680.90/x
  3. Step 3: Cross multiply
    41,758.74x = 62,636.49 × 13,680.90
  4. Step 4: Simplify right side
    41,758.74x = 856,923,556.04
  5. Step 5: Solve for x
    x = 856,923,556.04/41,758.74
  6. Step 6: Final answer
    x = 20,520.82

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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.