Home / 31,234.75-43,103.94-17,087.60

Finding the Fourth Proportional to 31,234.75, 43,103.94 and 17,087.60

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Solution

The fourth proportional to 31,234.75, 43,103.94 and 17,087.60 is: 23,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.75 : 43,103.94 = 17,087.60 : x
  2. Step 2: Convert to fraction form
    31,234.75/43,103.94 = 17,087.60/x
  3. Step 3: Cross multiply
    31,234.75x = 43,103.94 × 17,087.60
  4. Step 4: Simplify right side
    31,234.75x = 736,542,885.14
  5. Step 5: Solve for x
    x = 736,542,885.14/31,234.75
  6. Step 6: Final answer
    x = 23,580.88

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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.