Home / 31,818.39-43,908.15-17,672.13

Finding the Fourth Proportional to 31,818.39, 43,908.15 and 17,672.13

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Solution

The fourth proportional to 31,818.39, 43,908.15 and 17,672.13 is: 24,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.39 : 43,908.15 = 17,672.13 : x
  2. Step 2: Convert to fraction form
    31,818.39/43,908.15 = 17,672.13/x
  3. Step 3: Cross multiply
    31,818.39x = 43,908.15 × 17,672.13
  4. Step 4: Simplify right side
    31,818.39x = 775,950,534.86
  5. Step 5: Solve for x
    x = 775,950,534.86/31,818.39
  6. Step 6: Final answer
    x = 24,386.86

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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.