Home / 39,732.53-59,561.73-13,418.87

Finding the Fourth Proportional to 39,732.53, 59,561.73 and 13,418.87

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Solution

The fourth proportional to 39,732.53, 59,561.73 and 13,418.87 is: 20,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,732.53 : 59,561.73 = 13,418.87 : x
  2. Step 2: Convert to fraction form
    39,732.53/59,561.73 = 13,418.87/x
  3. Step 3: Cross multiply
    39,732.53x = 59,561.73 × 13,418.87
  4. Step 4: Simplify right side
    39,732.53x = 799,250,814.04
  5. Step 5: Solve for x
    x = 799,250,814.04/39,732.53
  6. Step 6: Final answer
    x = 20,115.78

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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.