Home / 38,200.38-52,716.34-21,204.83

Finding the Fourth Proportional to 38,200.38, 52,716.34 and 21,204.83

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Solution

The fourth proportional to 38,200.38, 52,716.34 and 21,204.83 is: 29,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.38 : 52,716.34 = 21,204.83 : x
  2. Step 2: Convert to fraction form
    38,200.38/52,716.34 = 21,204.83/x
  3. Step 3: Cross multiply
    38,200.38x = 52,716.34 × 21,204.83
  4. Step 4: Simplify right side
    38,200.38x = 1,117,841,027.92
  5. Step 5: Solve for x
    x = 1,117,841,027.92/38,200.38
  6. Step 6: Final answer
    x = 29,262.56

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Half scale
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Double scale
Find fourth proportional to 38,201.38, 52,717.72 and 21,205.83
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.