Home / 54,250.30-81,387.60-16,812.10

Finding the Fourth Proportional to 54,250.30, 81,387.60 and 16,812.10

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Solution

The fourth proportional to 54,250.30, 81,387.60 and 16,812.10 is: 25,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,250.30 : 81,387.60 = 16,812.10 : x
  2. Step 2: Convert to fraction form
    54,250.30/81,387.60 = 16,812.10/x
  3. Step 3: Cross multiply
    54,250.30x = 81,387.60 × 16,812.10
  4. Step 4: Simplify right side
    54,250.30x = 1,368,296,469.96
  5. Step 5: Solve for x
    x = 1,368,296,469.96/54,250.30
  6. Step 6: Final answer
    x = 25,221.92

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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.