Home / 55,042.70-75,959.24-31,171.59

Finding the Fourth Proportional to 55,042.70, 75,959.24 and 31,171.59

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Solution

The fourth proportional to 55,042.70, 75,959.24 and 31,171.59 is: 43,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.70 : 75,959.24 = 31,171.59 : x
  2. Step 2: Convert to fraction form
    55,042.70/75,959.24 = 31,171.59/x
  3. Step 3: Cross multiply
    55,042.70x = 75,959.24 × 31,171.59
  4. Step 4: Simplify right side
    55,042.70x = 2,367,770,130.13
  5. Step 5: Solve for x
    x = 2,367,770,130.13/55,042.70
  6. Step 6: Final answer
    x = 43,016.97

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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.