Home / 54,770.35-82,120.18-21,493.78

Finding the Fourth Proportional to 54,770.35, 82,120.18 and 21,493.78

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Solution

The fourth proportional to 54,770.35, 82,120.18 and 21,493.78 is: 32,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,770.35 : 82,120.18 = 21,493.78 : x
  2. Step 2: Convert to fraction form
    54,770.35/82,120.18 = 21,493.78/x
  3. Step 3: Cross multiply
    54,770.35x = 82,120.18 × 21,493.78
  4. Step 4: Simplify right side
    54,770.35x = 1,765,073,082.48
  5. Step 5: Solve for x
    x = 1,765,073,082.48/54,770.35
  6. Step 6: Final answer
    x = 32,226.80

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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.