Home / 40,965.17-61,456.18-17,272.79

Finding the Fourth Proportional to 40,965.17, 61,456.18 and 17,272.79

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Solution

The fourth proportional to 40,965.17, 61,456.18 and 17,272.79 is: 25,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,965.17 : 61,456.18 = 17,272.79 : x
  2. Step 2: Convert to fraction form
    40,965.17/61,456.18 = 17,272.79/x
  3. Step 3: Cross multiply
    40,965.17x = 61,456.18 × 17,272.79
  4. Step 4: Simplify right side
    40,965.17x = 1,061,519,405.65
  5. Step 5: Solve for x
    x = 1,061,519,405.65/40,965.17
  6. Step 6: Final answer
    x = 25,912.73

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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.