Home / 57,375.89-79,178.57-31,882.15

Finding the Fourth Proportional to 57,375.89, 79,178.57 and 31,882.15

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Solution

The fourth proportional to 57,375.89, 79,178.57 and 31,882.15 is: 43,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,375.89 : 79,178.57 = 31,882.15 : x
  2. Step 2: Convert to fraction form
    57,375.89/79,178.57 = 31,882.15/x
  3. Step 3: Cross multiply
    57,375.89x = 79,178.57 × 31,882.15
  4. Step 4: Simplify right side
    57,375.89x = 2,524,382,688.17
  5. Step 5: Solve for x
    x = 2,524,382,688.17/57,375.89
  6. Step 6: Final answer
    x = 43,997.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.