Home / 54,311.20-81,539.70-34,676.80

Finding the Fourth Proportional to 54,311.20, 81,539.70 and 34,676.80

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Solution

The fourth proportional to 54,311.20, 81,539.70 and 34,676.80 is: 52,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.20 : 81,539.70 = 34,676.80 : x
  2. Step 2: Convert to fraction form
    54,311.20/81,539.70 = 34,676.80/x
  3. Step 3: Cross multiply
    54,311.20x = 81,539.70 × 34,676.80
  4. Step 4: Simplify right side
    54,311.20x = 2,827,535,868.96
  5. Step 5: Solve for x
    x = 2,827,535,868.96/54,311.20
  6. Step 6: Final answer
    x = 52,061.75

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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.