Home / 51,761.76-71,414.64-31,901.28

Finding the Fourth Proportional to 51,761.76, 71,414.64 and 31,901.28

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Solution

The fourth proportional to 51,761.76, 71,414.64 and 31,901.28 is: 44,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.76 : 71,414.64 = 31,901.28 : x
  2. Step 2: Convert to fraction form
    51,761.76/71,414.64 = 31,901.28/x
  3. Step 3: Cross multiply
    51,761.76x = 71,414.64 × 31,901.28
  4. Step 4: Simplify right side
    51,761.76x = 2,278,218,426.74
  5. Step 5: Solve for x
    x = 2,278,218,426.74/51,761.76
  6. Step 6: Final answer
    x = 44,013.54

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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.