Home / 31,254.50-43,131.24-17,107.70

Finding the Fourth Proportional to 31,254.50, 43,131.24 and 17,107.70

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Solution

The fourth proportional to 31,254.50, 43,131.24 and 17,107.70 is: 23,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.50 : 43,131.24 = 17,107.70 : x
  2. Step 2: Convert to fraction form
    31,254.50/43,131.24 = 17,107.70/x
  3. Step 3: Cross multiply
    31,254.50x = 43,131.24 × 17,107.70
  4. Step 4: Simplify right side
    31,254.50x = 737,876,314.55
  5. Step 5: Solve for x
    x = 737,876,314.55/31,254.50
  6. Step 6: Final answer
    x = 23,608.64

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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.