Home / 39,234.20-58,800.10-18,171.80

Finding the Fourth Proportional to 39,234.20, 58,800.10 and 18,171.80

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Solution

The fourth proportional to 39,234.20, 58,800.10 and 18,171.80 is: 27,233.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,234.20 : 58,800.10 = 18,171.80 : x
  2. Step 2: Convert to fraction form
    39,234.20/58,800.10 = 18,171.80/x
  3. Step 3: Cross multiply
    39,234.20x = 58,800.10 × 18,171.80
  4. Step 4: Simplify right side
    39,234.20x = 1,068,503,657.18
  5. Step 5: Solve for x
    x = 1,068,503,657.18/39,234.20
  6. Step 6: Final answer
    x = 27,233.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.