Home / 41,422.40-62,142.96-15,127.28

Finding the Fourth Proportional to 41,422.40, 62,142.96 and 15,127.28

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Solution

The fourth proportional to 41,422.40, 62,142.96 and 15,127.28 is: 22,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,422.40 : 62,142.96 = 15,127.28 : x
  2. Step 2: Convert to fraction form
    41,422.40/62,142.96 = 15,127.28/x
  3. Step 3: Cross multiply
    41,422.40x = 62,142.96 × 15,127.28
  4. Step 4: Simplify right side
    41,422.40x = 940,053,955.95
  5. Step 5: Solve for x
    x = 940,053,955.95/41,422.40
  6. Step 6: Final answer
    x = 22,694.34

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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.