Home / 40,867.08-61,324.31-17,172.75

Finding the Fourth Proportional to 40,867.08, 61,324.31 and 17,172.75

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Solution

The fourth proportional to 40,867.08, 61,324.31 and 17,172.75 is: 25,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,867.08 : 61,324.31 = 17,172.75 : x
  2. Step 2: Convert to fraction form
    40,867.08/61,324.31 = 17,172.75/x
  3. Step 3: Cross multiply
    40,867.08x = 61,324.31 × 17,172.75
  4. Step 4: Simplify right side
    40,867.08x = 1,053,107,220.85
  5. Step 5: Solve for x
    x = 1,053,107,220.85/40,867.08
  6. Step 6: Final answer
    x = 25,769.09

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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.