Home / 54,381.78-81,575.10-14,939.24

Finding the Fourth Proportional to 54,381.78, 81,575.10 and 14,939.24

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Solution

The fourth proportional to 54,381.78, 81,575.10 and 14,939.24 is: 22,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,381.78 : 81,575.10 = 14,939.24 : x
  2. Step 2: Convert to fraction form
    54,381.78/81,575.10 = 14,939.24/x
  3. Step 3: Cross multiply
    54,381.78x = 81,575.10 × 14,939.24
  4. Step 4: Simplify right side
    54,381.78x = 1,218,669,589.05
  5. Step 5: Solve for x
    x = 1,218,669,589.05/54,381.78
  6. Step 6: Final answer
    x = 22,409.52

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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.