Home / 38,984.80-53,799.60-22,217.44

Finding the Fourth Proportional to 38,984.80, 53,799.60 and 22,217.44

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Solution

The fourth proportional to 38,984.80, 53,799.60 and 22,217.44 is: 30,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984.80 : 53,799.60 = 22,217.44 : x
  2. Step 2: Convert to fraction form
    38,984.80/53,799.60 = 22,217.44/x
  3. Step 3: Cross multiply
    38,984.80x = 53,799.60 × 22,217.44
  4. Step 4: Simplify right side
    38,984.80x = 1,195,289,385.02
  5. Step 5: Solve for x
    x = 1,195,289,385.02/38,984.80
  6. Step 6: Final answer
    x = 30,660.40

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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.