Home / 38,579.85-57,874.41-13,614.75

Finding the Fourth Proportional to 38,579.85, 57,874.41 and 13,614.75

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Solution

The fourth proportional to 38,579.85, 57,874.41 and 13,614.75 is: 20,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.85 : 57,874.41 = 13,614.75 : x
  2. Step 2: Convert to fraction form
    38,579.85/57,874.41 = 13,614.75/x
  3. Step 3: Cross multiply
    38,579.85x = 57,874.41 × 13,614.75
  4. Step 4: Simplify right side
    38,579.85x = 787,945,623.55
  5. Step 5: Solve for x
    x = 787,945,623.55/38,579.85
  6. Step 6: Final answer
    x = 20,423.76

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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.