Home / 54,631.18-81,932.18-15,190.48

Finding the Fourth Proportional to 54,631.18, 81,932.18 and 15,190.48

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Solution

The fourth proportional to 54,631.18, 81,932.18 and 15,190.48 is: 22,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,631.18 : 81,932.18 = 15,190.48 : x
  2. Step 2: Convert to fraction form
    54,631.18/81,932.18 = 15,190.48/x
  3. Step 3: Cross multiply
    54,631.18x = 81,932.18 × 15,190.48
  4. Step 4: Simplify right side
    54,631.18x = 1,244,589,141.65
  5. Step 5: Solve for x
    x = 1,244,589,141.65/54,631.18
  6. Step 6: Final answer
    x = 22,781.66

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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.