Home / 38,257.10-57,329.15-18,512.14

Finding the Fourth Proportional to 38,257.10, 57,329.15 and 18,512.14

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Solution

The fourth proportional to 38,257.10, 57,329.15 and 18,512.14 is: 27,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.10 : 57,329.15 = 18,512.14 : x
  2. Step 2: Convert to fraction form
    38,257.10/57,329.15 = 18,512.14/x
  3. Step 3: Cross multiply
    38,257.10x = 57,329.15 × 18,512.14
  4. Step 4: Simplify right side
    38,257.10x = 1,061,285,250.88
  5. Step 5: Solve for x
    x = 1,061,285,250.88/38,257.10
  6. Step 6: Final answer
    x = 27,740.87

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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.