Home / 38,586.18-57,721.38-29,156.10

Finding the Fourth Proportional to 38,586.18, 57,721.38 and 29,156.10

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Solution

The fourth proportional to 38,586.18, 57,721.38 and 29,156.10 is: 43,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.18 : 57,721.38 = 29,156.10 : x
  2. Step 2: Convert to fraction form
    38,586.18/57,721.38 = 29,156.10/x
  3. Step 3: Cross multiply
    38,586.18x = 57,721.38 × 29,156.10
  4. Step 4: Simplify right side
    38,586.18x = 1,682,930,327.42
  5. Step 5: Solve for x
    x = 1,682,930,327.42/38,586.18
  6. Step 6: Final answer
    x = 43,614.85

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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.