Home / 54,786.10-82,181.20-15,342.19

Finding the Fourth Proportional to 54,786.10, 82,181.20 and 15,342.19

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Solution

The fourth proportional to 54,786.10, 82,181.20 and 15,342.19 is: 23,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786.10 : 82,181.20 = 15,342.19 : x
  2. Step 2: Convert to fraction form
    54,786.10/82,181.20 = 15,342.19/x
  3. Step 3: Cross multiply
    54,786.10x = 82,181.20 × 15,342.19
  4. Step 4: Simplify right side
    54,786.10x = 1,260,839,584.83
  5. Step 5: Solve for x
    x = 1,260,839,584.83/54,786.10
  6. Step 6: Final answer
    x = 23,013.86

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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.