Home / 22,234.20-33,351.30-20,808.60

Finding the Fourth Proportional to 22,234.20, 33,351.30 and 20,808.60

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Solution

The fourth proportional to 22,234.20, 33,351.30 and 20,808.60 is: 31,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.20 : 33,351.30 = 20,808.60 : x
  2. Step 2: Convert to fraction form
    22,234.20/33,351.30 = 20,808.60/x
  3. Step 3: Cross multiply
    22,234.20x = 33,351.30 × 20,808.60
  4. Step 4: Simplify right side
    22,234.20x = 693,993,861.18
  5. Step 5: Solve for x
    x = 693,993,861.18/22,234.20
  6. Step 6: Final answer
    x = 31,212.90

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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.