Home / 33,431.40-50,147.10-27,089.10

Finding the Fourth Proportional to 33,431.40, 50,147.10 and 27,089.10

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Solution

The fourth proportional to 33,431.40, 50,147.10 and 27,089.10 is: 40,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.40 : 50,147.10 = 27,089.10 : x
  2. Step 2: Convert to fraction form
    33,431.40/50,147.10 = 27,089.10/x
  3. Step 3: Cross multiply
    33,431.40x = 50,147.10 × 27,089.10
  4. Step 4: Simplify right side
    33,431.40x = 1,358,439,806.61
  5. Step 5: Solve for x
    x = 1,358,439,806.61/33,431.40
  6. Step 6: Final answer
    x = 40,633.65

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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.