Home / 54,090.15-81,144.42-16,649.37

Finding the Fourth Proportional to 54,090.15, 81,144.42 and 16,649.37

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Solution

The fourth proportional to 54,090.15, 81,144.42 and 16,649.37 is: 24,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.15 : 81,144.42 = 16,649.37 : x
  2. Step 2: Convert to fraction form
    54,090.15/81,144.42 = 16,649.37/x
  3. Step 3: Cross multiply
    54,090.15x = 81,144.42 × 16,649.37
  4. Step 4: Simplify right side
    54,090.15x = 1,351,003,472.02
  5. Step 5: Solve for x
    x = 1,351,003,472.02/54,090.15
  6. Step 6: Final answer
    x = 24,976.89

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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.