Home / 41,687.78-62,538.21-13,601.36

Finding the Fourth Proportional to 41,687.78, 62,538.21 and 13,601.36

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Solution

The fourth proportional to 41,687.78, 62,538.21 and 13,601.36 is: 20,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,687.78 : 62,538.21 = 13,601.36 : x
  2. Step 2: Convert to fraction form
    41,687.78/62,538.21 = 13,601.36/x
  3. Step 3: Cross multiply
    41,687.78x = 62,538.21 × 13,601.36
  4. Step 4: Simplify right side
    41,687.78x = 850,604,707.97
  5. Step 5: Solve for x
    x = 850,604,707.97/41,687.78
  6. Step 6: Final answer
    x = 20,404.17

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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.