Home / 54,757.88-82,136.58-21,454.43

Finding the Fourth Proportional to 54,757.88, 82,136.58 and 21,454.43

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Solution

The fourth proportional to 54,757.88, 82,136.58 and 21,454.43 is: 32,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,757.88 : 82,136.58 = 21,454.43 : x
  2. Step 2: Convert to fraction form
    54,757.88/82,136.58 = 21,454.43/x
  3. Step 3: Cross multiply
    54,757.88x = 82,136.58 × 21,454.43
  4. Step 4: Simplify right side
    54,757.88x = 1,762,193,095.37
  5. Step 5: Solve for x
    x = 1,762,193,095.37/54,757.88
  6. Step 6: Final answer
    x = 32,181.54

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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.