Home / 31,754.38-43,818.92-18,326.20

Finding the Fourth Proportional to 31,754.38, 43,818.92 and 18,326.20

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Solution

The fourth proportional to 31,754.38, 43,818.92 and 18,326.20 is: 25,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.38 : 43,818.92 = 18,326.20 : x
  2. Step 2: Convert to fraction form
    31,754.38/43,818.92 = 18,326.20/x
  3. Step 3: Cross multiply
    31,754.38x = 43,818.92 × 18,326.20
  4. Step 4: Simplify right side
    31,754.38x = 803,034,291.70
  5. Step 5: Solve for x
    x = 803,034,291.70/31,754.38
  6. Step 6: Final answer
    x = 25,288.93

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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.