Home / 84,538.44-126,863.03-31,947.93

Finding the Fourth Proportional to 84,538.44, 126,863.03 and 31,947.93

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Solution

The fourth proportional to 84,538.44, 126,863.03 and 31,947.93 is: 47,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,538.44 : 126,863.03 = 31,947.93 : x
  2. Step 2: Convert to fraction form
    84,538.44/126,863.03 = 31,947.93/x
  3. Step 3: Cross multiply
    84,538.44x = 126,863.03 × 31,947.93
  4. Step 4: Simplify right side
    84,538.44x = 4,053,011,042.29
  5. Step 5: Solve for x
    x = 4,053,011,042.29/84,538.44
  6. Step 6: Final answer
    x = 47,942.82

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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.