Home / 54,086.11-81,136.86-16,649.31

Finding the Fourth Proportional to 54,086.11, 81,136.86 and 16,649.31

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Solution

The fourth proportional to 54,086.11, 81,136.86 and 16,649.31 is: 24,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086.11 : 81,136.86 = 16,649.31 : x
  2. Step 2: Convert to fraction form
    54,086.11/81,136.86 = 16,649.31/x
  3. Step 3: Cross multiply
    54,086.11x = 81,136.86 × 16,649.31
  4. Step 4: Simplify right side
    54,086.11x = 1,350,872,245.64
  5. Step 5: Solve for x
    x = 1,350,872,245.64/54,086.11
  6. Step 6: Final answer
    x = 24,976.32

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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.