Home / 38,568.71-57,861.75-13,610.54

Finding the Fourth Proportional to 38,568.71, 57,861.75 and 13,610.54

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Solution

The fourth proportional to 38,568.71, 57,861.75 and 13,610.54 is: 20,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.71 : 57,861.75 = 13,610.54 : x
  2. Step 2: Convert to fraction form
    38,568.71/57,861.75 = 13,610.54/x
  3. Step 3: Cross multiply
    38,568.71x = 57,861.75 × 13,610.54
  4. Step 4: Simplify right side
    38,568.71x = 787,529,662.85
  5. Step 5: Solve for x
    x = 787,529,662.85/38,568.71
  6. Step 6: Final answer
    x = 20,418.87

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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.