Home / 54,466.71-81,680.49-19,399.38

Finding the Fourth Proportional to 54,466.71, 81,680.49 and 19,399.38

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Solution

The fourth proportional to 54,466.71, 81,680.49 and 19,399.38 is: 29,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,466.71 : 81,680.49 = 19,399.38 : x
  2. Step 2: Convert to fraction form
    54,466.71/81,680.49 = 19,399.38/x
  3. Step 3: Cross multiply
    54,466.71x = 81,680.49 × 19,399.38
  4. Step 4: Simplify right side
    54,466.71x = 1,584,550,864.10
  5. Step 5: Solve for x
    x = 1,584,550,864.10/54,466.71
  6. Step 6: Final answer
    x = 29,092.10

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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.