Home / 54,560.67-81,855.25-17,121.93

Finding the Fourth Proportional to 54,560.67, 81,855.25 and 17,121.93

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Solution

The fourth proportional to 54,560.67, 81,855.25 and 17,121.93 is: 25,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,560.67 : 81,855.25 = 17,121.93 : x
  2. Step 2: Convert to fraction form
    54,560.67/81,855.25 = 17,121.93/x
  3. Step 3: Cross multiply
    54,560.67x = 81,855.25 × 17,121.93
  4. Step 4: Simplify right side
    54,560.67x = 1,401,519,817.83
  5. Step 5: Solve for x
    x = 1,401,519,817.83/54,560.67
  6. Step 6: Final answer
    x = 25,687.36

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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.