Home / 31,327.89-43,234.78-17,898.85

Finding the Fourth Proportional to 31,327.89, 43,234.78 and 17,898.85

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Solution

The fourth proportional to 31,327.89, 43,234.78 and 17,898.85 is: 24,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.89 : 43,234.78 = 17,898.85 : x
  2. Step 2: Convert to fraction form
    31,327.89/43,234.78 = 17,898.85/x
  3. Step 3: Cross multiply
    31,327.89x = 43,234.78 × 17,898.85
  4. Step 4: Simplify right side
    31,327.89x = 773,853,017.98
  5. Step 5: Solve for x
    x = 773,853,017.98/31,327.89
  6. Step 6: Final answer
    x = 24,701.73

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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.