Home / 31,331.66-43,234.86-17,902.86

Finding the Fourth Proportional to 31,331.66, 43,234.86 and 17,902.86

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Solution

The fourth proportional to 31,331.66, 43,234.86 and 17,902.86 is: 24,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.66 : 43,234.86 = 17,902.86 : x
  2. Step 2: Convert to fraction form
    31,331.66/43,234.86 = 17,902.86/x
  3. Step 3: Cross multiply
    31,331.66x = 43,234.86 × 17,902.86
  4. Step 4: Simplify right side
    31,331.66x = 774,027,645.70
  5. Step 5: Solve for x
    x = 774,027,645.70/31,331.66
  6. Step 6: Final answer
    x = 24,704.33

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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.