Home / 54,072.38-81,108.56-17,136.38

Finding the Fourth Proportional to 54,072.38, 81,108.56 and 17,136.38

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Solution

The fourth proportional to 54,072.38, 81,108.56 and 17,136.38 is: 25,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.38 : 81,108.56 = 17,136.38 : x
  2. Step 2: Convert to fraction form
    54,072.38/81,108.56 = 17,136.38/x
  3. Step 3: Cross multiply
    54,072.38x = 81,108.56 × 17,136.38
  4. Step 4: Simplify right side
    54,072.38x = 1,389,906,742.71
  5. Step 5: Solve for x
    x = 1,389,906,742.71/54,072.38
  6. Step 6: Final answer
    x = 25,704.56

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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.