Home / 39,996.78-55,206.24-23,002.92

Finding the Fourth Proportional to 39,996.78, 55,206.24 and 23,002.92

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Solution

The fourth proportional to 39,996.78, 55,206.24 and 23,002.92 is: 31,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.78 : 55,206.24 = 23,002.92 : x
  2. Step 2: Convert to fraction form
    39,996.78/55,206.24 = 23,002.92/x
  3. Step 3: Cross multiply
    39,996.78x = 55,206.24 × 23,002.92
  4. Step 4: Simplify right side
    39,996.78x = 1,269,904,722.22
  5. Step 5: Solve for x
    x = 1,269,904,722.22/39,996.78
  6. Step 6: Final answer
    x = 31,750.17

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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.