Home / 54,087.11-81,138.36-16,650.31

Finding the Fourth Proportional to 54,087.11, 81,138.36 and 16,650.31

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Solution

The fourth proportional to 54,087.11, 81,138.36 and 16,650.31 is: 24,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.11 : 81,138.36 = 16,650.31 : x
  2. Step 2: Convert to fraction form
    54,087.11/81,138.36 = 16,650.31/x
  3. Step 3: Cross multiply
    54,087.11x = 81,138.36 × 16,650.31
  4. Step 4: Simplify right side
    54,087.11x = 1,350,978,846.89
  5. Step 5: Solve for x
    x = 1,350,978,846.89/54,087.11
  6. Step 6: Final answer
    x = 24,977.83

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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.