Home / 32,431.39-48,649.59-12,450.49

Finding the Fourth Proportional to 32,431.39, 48,649.59 and 12,450.49

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Solution

The fourth proportional to 32,431.39, 48,649.59 and 12,450.49 is: 18,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.39 : 48,649.59 = 12,450.49 : x
  2. Step 2: Convert to fraction form
    32,431.39/48,649.59 = 12,450.49/x
  3. Step 3: Cross multiply
    32,431.39x = 48,649.59 × 12,450.49
  4. Step 4: Simplify right side
    32,431.39x = 605,711,233.80
  5. Step 5: Solve for x
    x = 605,711,233.80/32,431.39
  6. Step 6: Final answer
    x = 18,676.70

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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.