Home / 54,605.88-81,910.62-15,163.38

Finding the Fourth Proportional to 54,605.88, 81,910.62 and 15,163.38

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Solution

The fourth proportional to 54,605.88, 81,910.62 and 15,163.38 is: 22,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605.88 : 81,910.62 = 15,163.38 : x
  2. Step 2: Convert to fraction form
    54,605.88/81,910.62 = 15,163.38/x
  3. Step 3: Cross multiply
    54,605.88x = 81,910.62 × 15,163.38
  4. Step 4: Simplify right side
    54,605.88x = 1,242,041,857.10
  5. Step 5: Solve for x
    x = 1,242,041,857.10/54,605.88
  6. Step 6: Final answer
    x = 22,745.57

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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.