Home / 40,979.28-61,456.77-17,600.25

Finding the Fourth Proportional to 40,979.28, 61,456.77 and 17,600.25

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Solution

The fourth proportional to 40,979.28, 61,456.77 and 17,600.25 is: 26,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,979.28 : 61,456.77 = 17,600.25 : x
  2. Step 2: Convert to fraction form
    40,979.28/61,456.77 = 17,600.25/x
  3. Step 3: Cross multiply
    40,979.28x = 61,456.77 × 17,600.25
  4. Step 4: Simplify right side
    40,979.28x = 1,081,654,516.19
  5. Step 5: Solve for x
    x = 1,081,654,516.19/40,979.28
  6. Step 6: Final answer
    x = 26,395.16

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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.