Home / 54,795.30-82,132.20-21,504.30

Finding the Fourth Proportional to 54,795.30, 82,132.20 and 21,504.30

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Solution

The fourth proportional to 54,795.30, 82,132.20 and 21,504.30 is: 32,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,795.30 : 82,132.20 = 21,504.30 : x
  2. Step 2: Convert to fraction form
    54,795.30/82,132.20 = 21,504.30/x
  3. Step 3: Cross multiply
    54,795.30x = 82,132.20 × 21,504.30
  4. Step 4: Simplify right side
    54,795.30x = 1,766,195,468.46
  5. Step 5: Solve for x
    x = 1,766,195,468.46/54,795.30
  6. Step 6: Final answer
    x = 32,232.61

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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.