Home / 31,700.92-43,747.12-17,360.80

Finding the Fourth Proportional to 31,700.92, 43,747.12 and 17,360.80

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Solution

The fourth proportional to 31,700.92, 43,747.12 and 17,360.80 is: 23,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.92 : 43,747.12 = 17,360.80 : x
  2. Step 2: Convert to fraction form
    31,700.92/43,747.12 = 17,360.80/x
  3. Step 3: Cross multiply
    31,700.92x = 43,747.12 × 17,360.80
  4. Step 4: Simplify right side
    31,700.92x = 759,485,000.90
  5. Step 5: Solve for x
    x = 759,485,000.90/31,700.92
  6. Step 6: Final answer
    x = 23,957.82

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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.