Home / 31,982.67-47,974.01-8,608.50

Finding the Fourth Proportional to 31,982.67, 47,974.01 and 8,608.50

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Solution

The fourth proportional to 31,982.67, 47,974.01 and 8,608.50 is: 12,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.67 : 47,974.01 = 8,608.50 : x
  2. Step 2: Convert to fraction form
    31,982.67/47,974.01 = 8,608.50/x
  3. Step 3: Cross multiply
    31,982.67x = 47,974.01 × 8,608.50
  4. Step 4: Simplify right side
    31,982.67x = 412,984,222.04
  5. Step 5: Solve for x
    x = 412,984,222.04/31,982.67
  6. Step 6: Final answer
    x = 12,912.75

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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.