Home / 38,372.74-57,475.78-18,609.75

Finding the Fourth Proportional to 38,372.74, 57,475.78 and 18,609.75

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Solution

The fourth proportional to 38,372.74, 57,475.78 and 18,609.75 is: 27,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.74 : 57,475.78 = 18,609.75 : x
  2. Step 2: Convert to fraction form
    38,372.74/57,475.78 = 18,609.75/x
  3. Step 3: Cross multiply
    38,372.74x = 57,475.78 × 18,609.75
  4. Step 4: Simplify right side
    38,372.74x = 1,069,609,850.33
  5. Step 5: Solve for x
    x = 1,069,609,850.33/38,372.74
  6. Step 6: Final answer
    x = 27,874.21

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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.