Home / 54,105.10-81,157.65-22,514.56

Finding the Fourth Proportional to 54,105.10, 81,157.65 and 22,514.56

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Solution

The fourth proportional to 54,105.10, 81,157.65 and 22,514.56 is: 33,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,105.10 : 81,157.65 = 22,514.56 : x
  2. Step 2: Convert to fraction form
    54,105.10/81,157.65 = 22,514.56/x
  3. Step 3: Cross multiply
    54,105.10x = 81,157.65 × 22,514.56
  4. Step 4: Simplify right side
    54,105.10x = 1,827,228,780.38
  5. Step 5: Solve for x
    x = 1,827,228,780.38/54,105.10
  6. Step 6: Final answer
    x = 33,771.84

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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.