Home / 42,132.57-63,205.33-15,839.16

Finding the Fourth Proportional to 42,132.57, 63,205.33 and 15,839.16

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Solution

The fourth proportional to 42,132.57, 63,205.33 and 15,839.16 is: 23,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.57 : 63,205.33 = 15,839.16 : x
  2. Step 2: Convert to fraction form
    42,132.57/63,205.33 = 15,839.16/x
  3. Step 3: Cross multiply
    42,132.57x = 63,205.33 × 15,839.16
  4. Step 4: Simplify right side
    42,132.57x = 1,001,119,334.72
  5. Step 5: Solve for x
    x = 1,001,119,334.72/42,132.57
  6. Step 6: Final answer
    x = 23,761.17

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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.