Home / 30,331.11-41,856.97-16,902.07

Finding the Fourth Proportional to 30,331.11, 41,856.97 and 16,902.07

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Solution

The fourth proportional to 30,331.11, 41,856.97 and 16,902.07 is: 23,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.11 : 41,856.97 = 16,902.07 : x
  2. Step 2: Convert to fraction form
    30,331.11/41,856.97 = 16,902.07/x
  3. Step 3: Cross multiply
    30,331.11x = 41,856.97 × 16,902.07
  4. Step 4: Simplify right side
    30,331.11x = 707,469,321.72
  5. Step 5: Solve for x
    x = 707,469,321.72/30,331.11
  6. Step 6: Final answer
    x = 23,324.88

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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.