Home / 42,126.28-57,959.94-31,995.88

Finding the Fourth Proportional to 42,126.28, 57,959.94 and 31,995.88

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Solution

The fourth proportional to 42,126.28, 57,959.94 and 31,995.88 is: 44,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126.28 : 57,959.94 = 31,995.88 : x
  2. Step 2: Convert to fraction form
    42,126.28/57,959.94 = 31,995.88/x
  3. Step 3: Cross multiply
    42,126.28x = 57,959.94 × 31,995.88
  4. Step 4: Simplify right side
    42,126.28x = 1,854,479,285.05
  5. Step 5: Solve for x
    x = 1,854,479,285.05/42,126.28
  6. Step 6: Final answer
    x = 44,021.91

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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.