Home / 54,561.57-81,843.41-17,122.86

Finding the Fourth Proportional to 54,561.57, 81,843.41 and 17,122.86

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Solution

The fourth proportional to 54,561.57, 81,843.41 and 17,122.86 is: 25,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.57 : 81,843.41 = 17,122.86 : x
  2. Step 2: Convert to fraction form
    54,561.57/81,843.41 = 17,122.86/x
  3. Step 3: Cross multiply
    54,561.57x = 81,843.41 × 17,122.86
  4. Step 4: Simplify right side
    54,561.57x = 1,401,393,294.16
  5. Step 5: Solve for x
    x = 1,401,393,294.16/54,561.57
  6. Step 6: Final answer
    x = 25,684.62

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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.