Home / 38,126.97-57,229.17-18,422.10

Finding the Fourth Proportional to 38,126.97, 57,229.17 and 18,422.10

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Solution

The fourth proportional to 38,126.97, 57,229.17 and 18,422.10 is: 27,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.97 : 57,229.17 = 18,422.10 : x
  2. Step 2: Convert to fraction form
    38,126.97/57,229.17 = 18,422.10/x
  3. Step 3: Cross multiply
    38,126.97x = 57,229.17 × 18,422.10
  4. Step 4: Simplify right side
    38,126.97x = 1,054,281,492.66
  5. Step 5: Solve for x
    x = 1,054,281,492.66/38,126.97
  6. Step 6: Final answer
    x = 27,651.86

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1.5x scale

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.