Home / 31,818.75-43,909.89-17,671.71

Finding the Fourth Proportional to 31,818.75, 43,909.89 and 17,671.71

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Solution

The fourth proportional to 31,818.75, 43,909.89 and 17,671.71 is: 24,386.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.75 : 43,909.89 = 17,671.71 : x
  2. Step 2: Convert to fraction form
    31,818.75/43,909.89 = 17,671.71/x
  3. Step 3: Cross multiply
    31,818.75x = 43,909.89 × 17,671.71
  4. Step 4: Simplify right side
    31,818.75x = 775,962,842.21
  5. Step 5: Solve for x
    x = 775,962,842.21/31,818.75
  6. Step 6: Final answer
    x = 24,386.97

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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.