Home / 38,375.31-57,559.32-13,410.75

Finding the Fourth Proportional to 38,375.31, 57,559.32 and 13,410.75

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Solution

The fourth proportional to 38,375.31, 57,559.32 and 13,410.75 is: 20,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375.31 : 57,559.32 = 13,410.75 : x
  2. Step 2: Convert to fraction form
    38,375.31/57,559.32 = 13,410.75/x
  3. Step 3: Cross multiply
    38,375.31x = 57,559.32 × 13,410.75
  4. Step 4: Simplify right side
    38,375.31x = 771,913,650.69
  5. Step 5: Solve for x
    x = 771,913,650.69/38,375.31
  6. Step 6: Final answer
    x = 20,114.85

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1.5x scale

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.