Home / 32,286.27-48,432.18-8,912.70

Finding the Fourth Proportional to 32,286.27, 48,432.18 and 8,912.70

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Solution

The fourth proportional to 32,286.27, 48,432.18 and 8,912.70 is: 13,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,286.27 : 48,432.18 = 8,912.70 : x
  2. Step 2: Convert to fraction form
    32,286.27/48,432.18 = 8,912.70/x
  3. Step 3: Cross multiply
    32,286.27x = 48,432.18 × 8,912.70
  4. Step 4: Simplify right side
    32,286.27x = 431,661,490.69
  5. Step 5: Solve for x
    x = 431,661,490.69/32,286.27
  6. Step 6: Final answer
    x = 13,369.82

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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.