Home / 54,556.03-81,836.02-17,115.20

Finding the Fourth Proportional to 54,556.03, 81,836.02 and 17,115.20

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Solution

The fourth proportional to 54,556.03, 81,836.02 and 17,115.20 is: 25,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556.03 : 81,836.02 = 17,115.20 : x
  2. Step 2: Convert to fraction form
    54,556.03/81,836.02 = 17,115.20/x
  3. Step 3: Cross multiply
    54,556.03x = 81,836.02 × 17,115.20
  4. Step 4: Simplify right side
    54,556.03x = 1,400,639,768.60
  5. Step 5: Solve for x
    x = 1,400,639,768.60/54,556.03
  6. Step 6: Final answer
    x = 25,673.42

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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.