Home / 54,561.28-81,845.38-17,122.83

Finding the Fourth Proportional to 54,561.28, 81,845.38 and 17,122.83

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Solution

The fourth proportional to 54,561.28, 81,845.38 and 17,122.83 is: 25,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.28 : 81,845.38 = 17,122.83 : x
  2. Step 2: Convert to fraction form
    54,561.28/81,845.38 = 17,122.83/x
  3. Step 3: Cross multiply
    54,561.28x = 81,845.38 × 17,122.83
  4. Step 4: Simplify right side
    54,561.28x = 1,401,424,528.03
  5. Step 5: Solve for x
    x = 1,401,424,528.03/54,561.28
  6. Step 6: Final answer
    x = 25,685.33

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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.