Home / 31,921.89-44,049.38-18,488.85

Finding the Fourth Proportional to 31,921.89, 44,049.38 and 18,488.85

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Solution

The fourth proportional to 31,921.89, 44,049.38 and 18,488.85 is: 25,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921.89 : 44,049.38 = 18,488.85 : x
  2. Step 2: Convert to fraction form
    31,921.89/44,049.38 = 18,488.85/x
  3. Step 3: Cross multiply
    31,921.89x = 44,049.38 × 18,488.85
  4. Step 4: Simplify right side
    31,921.89x = 814,422,379.41
  5. Step 5: Solve for x
    x = 814,422,379.41/31,921.89
  6. Step 6: Final answer
    x = 25,512.97

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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.