Home / 54,175.78-81,243.46-18,627.03

Finding the Fourth Proportional to 54,175.78, 81,243.46 and 18,627.03

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Solution

The fourth proportional to 54,175.78, 81,243.46 and 18,627.03 is: 27,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.78 : 81,243.46 = 18,627.03 : x
  2. Step 2: Convert to fraction form
    54,175.78/81,243.46 = 18,627.03/x
  3. Step 3: Cross multiply
    54,175.78x = 81,243.46 × 18,627.03
  4. Step 4: Simplify right side
    54,175.78x = 1,513,324,574.48
  5. Step 5: Solve for x
    x = 1,513,324,574.48/54,175.78
  6. Step 6: Final answer
    x = 27,933.60

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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.