Home / 31,998.33-44,171.85-20,673.36

Finding the Fourth Proportional to 31,998.33, 44,171.85 and 20,673.36

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Solution

The fourth proportional to 31,998.33, 44,171.85 and 20,673.36 is: 28,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.33 : 44,171.85 = 20,673.36 : x
  2. Step 2: Convert to fraction form
    31,998.33/44,171.85 = 20,673.36/x
  3. Step 3: Cross multiply
    31,998.33x = 44,171.85 × 20,673.36
  4. Step 4: Simplify right side
    31,998.33x = 913,180,556.92
  5. Step 5: Solve for x
    x = 913,180,556.92/31,998.33
  6. Step 6: Final answer
    x = 28,538.38

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Half scale
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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.