Home / 31,837.50-43,935.78-17,691.66

Finding the Fourth Proportional to 31,837.50, 43,935.78 and 17,691.66

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Solution

The fourth proportional to 31,837.50, 43,935.78 and 17,691.66 is: 24,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.50 : 43,935.78 = 17,691.66 : x
  2. Step 2: Convert to fraction form
    31,837.50/43,935.78 = 17,691.66/x
  3. Step 3: Cross multiply
    31,837.50x = 43,935.78 × 17,691.66
  4. Step 4: Simplify right side
    31,837.50x = 777,296,881.59
  5. Step 5: Solve for x
    x = 777,296,881.59/31,837.50
  6. Step 6: Final answer
    x = 24,414.51

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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.