Home / 40,042.96-55,247.16-27,943.12

Finding the Fourth Proportional to 40,042.96, 55,247.16 and 27,943.12

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Solution

The fourth proportional to 40,042.96, 55,247.16 and 27,943.12 is: 38,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.96 : 55,247.16 = 27,943.12 : x
  2. Step 2: Convert to fraction form
    40,042.96/55,247.16 = 27,943.12/x
  3. Step 3: Cross multiply
    40,042.96x = 55,247.16 × 27,943.12
  4. Step 4: Simplify right side
    40,042.96x = 1,543,778,021.54
  5. Step 5: Solve for x
    x = 1,543,778,021.54/40,042.96
  6. Step 6: Final answer
    x = 38,553.04

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.