Home / 57,375.40-86,063.17-17,932.72

Finding the Fourth Proportional to 57,375.40, 86,063.17 and 17,932.72

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Solution

The fourth proportional to 57,375.40, 86,063.17 and 17,932.72 is: 26,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,375.40 : 86,063.17 = 17,932.72 : x
  2. Step 2: Convert to fraction form
    57,375.40/86,063.17 = 17,932.72/x
  3. Step 3: Cross multiply
    57,375.40x = 86,063.17 × 17,932.72
  4. Step 4: Simplify right side
    57,375.40x = 1,543,346,729.92
  5. Step 5: Solve for x
    x = 1,543,346,729.92/57,375.40
  6. Step 6: Final answer
    x = 26,899.10

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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.