Home / 38,245.44-52,775.58-21,250.20

Finding the Fourth Proportional to 38,245.44, 52,775.58 and 21,250.20

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Solution

The fourth proportional to 38,245.44, 52,775.58 and 21,250.20 is: 29,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.44 : 52,775.58 = 21,250.20 : x
  2. Step 2: Convert to fraction form
    38,245.44/52,775.58 = 21,250.20/x
  3. Step 3: Cross multiply
    38,245.44x = 52,775.58 × 21,250.20
  4. Step 4: Simplify right side
    38,245.44x = 1,121,491,630.12
  5. Step 5: Solve for x
    x = 1,121,491,630.12/38,245.44
  6. Step 6: Final answer
    x = 29,323.54

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Half scale
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Double scale
Find fourth proportional to 38,246.44, 52,776.96 and 21,251.20
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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.