Home / 31,234.20-43,104.23-17,087.04

Finding the Fourth Proportional to 31,234.20, 43,104.23 and 17,087.04

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Solution

The fourth proportional to 31,234.20, 43,104.23 and 17,087.04 is: 23,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.20 : 43,104.23 = 17,087.04 : x
  2. Step 2: Convert to fraction form
    31,234.20/43,104.23 = 17,087.04/x
  3. Step 3: Cross multiply
    31,234.20x = 43,104.23 × 17,087.04
  4. Step 4: Simplify right side
    31,234.20x = 736,523,680.82
  5. Step 5: Solve for x
    x = 736,523,680.82/31,234.20
  6. Step 6: Final answer
    x = 23,580.68

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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.