Home / 54,194.49-81,317.66-19,150.65

Finding the Fourth Proportional to 54,194.49, 81,317.66 and 19,150.65

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Solution

The fourth proportional to 54,194.49, 81,317.66 and 19,150.65 is: 28,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.49 : 81,317.66 = 19,150.65 : x
  2. Step 2: Convert to fraction form
    54,194.49/81,317.66 = 19,150.65/x
  3. Step 3: Cross multiply
    54,194.49x = 81,317.66 × 19,150.65
  4. Step 4: Simplify right side
    54,194.49x = 1,557,285,949.73
  5. Step 5: Solve for x
    x = 1,557,285,949.73/54,194.49
  6. Step 6: Final answer
    x = 28,735.13

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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.