Home / 31,818.96-43,910.25-17,671.80

Finding the Fourth Proportional to 31,818.96, 43,910.25 and 17,671.80

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Solution

The fourth proportional to 31,818.96, 43,910.25 and 17,671.80 is: 24,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.96 : 43,910.25 = 17,671.80 : x
  2. Step 2: Convert to fraction form
    31,818.96/43,910.25 = 17,671.80/x
  3. Step 3: Cross multiply
    31,818.96x = 43,910.25 × 17,671.80
  4. Step 4: Simplify right side
    31,818.96x = 775,973,155.95
  5. Step 5: Solve for x
    x = 775,973,155.95/31,818.96
  6. Step 6: Final answer
    x = 24,387.13

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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.