Home / 40,839.92-61,244.01-15,876.66

Finding the Fourth Proportional to 40,839.92, 61,244.01 and 15,876.66

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Solution

The fourth proportional to 40,839.92, 61,244.01 and 15,876.66 is: 23,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.92 : 61,244.01 = 15,876.66 : x
  2. Step 2: Convert to fraction form
    40,839.92/61,244.01 = 15,876.66/x
  3. Step 3: Cross multiply
    40,839.92x = 61,244.01 × 15,876.66
  4. Step 4: Simplify right side
    40,839.92x = 972,350,323.81
  5. Step 5: Solve for x
    x = 972,350,323.81/40,839.92
  6. Step 6: Final answer
    x = 23,808.82

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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.