Home / 54,679.46-82,042.99-19,166.31

Finding the Fourth Proportional to 54,679.46, 82,042.99 and 19,166.31

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Solution

The fourth proportional to 54,679.46, 82,042.99 and 19,166.31 is: 28,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679.46 : 82,042.99 = 19,166.31 : x
  2. Step 2: Convert to fraction form
    54,679.46/82,042.99 = 19,166.31/x
  3. Step 3: Cross multiply
    54,679.46x = 82,042.99 × 19,166.31
  4. Step 4: Simplify right side
    54,679.46x = 1,572,461,331.75
  5. Step 5: Solve for x
    x = 1,572,461,331.75/54,679.46
  6. Step 6: Final answer
    x = 28,757.81

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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.