Home / 33,487.47-50,229.59-12,431.62

Finding the Fourth Proportional to 33,487.47, 50,229.59 and 12,431.62

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Solution

The fourth proportional to 33,487.47, 50,229.59 and 12,431.62 is: 18,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,487.47 : 50,229.59 = 12,431.62 : x
  2. Step 2: Convert to fraction form
    33,487.47/50,229.59 = 12,431.62/x
  3. Step 3: Cross multiply
    33,487.47x = 50,229.59 × 12,431.62
  4. Step 4: Simplify right side
    33,487.47x = 624,434,987.90
  5. Step 5: Solve for x
    x = 624,434,987.90/33,487.47
  6. Step 6: Final answer
    x = 18,646.82

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.