Home / 31,517.45-43,493.49-17,177.39

Finding the Fourth Proportional to 31,517.45, 43,493.49 and 17,177.39

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Solution

The fourth proportional to 31,517.45, 43,493.49 and 17,177.39 is: 23,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.45 : 43,493.49 = 17,177.39 : x
  2. Step 2: Convert to fraction form
    31,517.45/43,493.49 = 17,177.39/x
  3. Step 3: Cross multiply
    31,517.45x = 43,493.49 × 17,177.39
  4. Step 4: Simplify right side
    31,517.45x = 747,104,640.19
  5. Step 5: Solve for x
    x = 747,104,640.19/31,517.45
  6. Step 6: Final answer
    x = 23,704.48

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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.