Home / 31,255.94-43,134.23-17,108.80

Finding the Fourth Proportional to 31,255.94, 43,134.23 and 17,108.80

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Solution

The fourth proportional to 31,255.94, 43,134.23 and 17,108.80 is: 23,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.94 : 43,134.23 = 17,108.80 : x
  2. Step 2: Convert to fraction form
    31,255.94/43,134.23 = 17,108.80/x
  3. Step 3: Cross multiply
    31,255.94x = 43,134.23 × 17,108.80
  4. Step 4: Simplify right side
    31,255.94x = 737,974,849.16
  5. Step 5: Solve for x
    x = 737,974,849.16/31,255.94
  6. Step 6: Final answer
    x = 23,610.71

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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.