Home / 31,928.85-44,061.80-18,507.88

Finding the Fourth Proportional to 31,928.85, 44,061.80 and 18,507.88

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Solution

The fourth proportional to 31,928.85, 44,061.80 and 18,507.88 is: 25,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928.85 : 44,061.80 = 18,507.88 : x
  2. Step 2: Convert to fraction form
    31,928.85/44,061.80 = 18,507.88/x
  3. Step 3: Cross multiply
    31,928.85x = 44,061.80 × 18,507.88
  4. Step 4: Simplify right side
    31,928.85x = 815,490,414.44
  5. Step 5: Solve for x
    x = 815,490,414.44/31,928.85
  6. Step 6: Final answer
    x = 25,540.86

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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.