Home / 36,390.33-50,218.11-20,474.73

Finding the Fourth Proportional to 36,390.33, 50,218.11 and 20,474.73

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Solution

The fourth proportional to 36,390.33, 50,218.11 and 20,474.73 is: 28,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.33 : 50,218.11 = 20,474.73 : x
  2. Step 2: Convert to fraction form
    36,390.33/50,218.11 = 20,474.73/x
  3. Step 3: Cross multiply
    36,390.33x = 50,218.11 × 20,474.73
  4. Step 4: Simplify right side
    36,390.33x = 1,028,202,243.36
  5. Step 5: Solve for x
    x = 1,028,202,243.36/36,390.33
  6. Step 6: Final answer
    x = 28,254.82

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Half scale
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Double scale
Find fourth proportional to 36,391.33, 50,219.49 and 20,475.73
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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.