Home / 31,722.10-47,579.35-8,350.38

Finding the Fourth Proportional to 31,722.10, 47,579.35 and 8,350.38

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Solution

The fourth proportional to 31,722.10, 47,579.35 and 8,350.38 is: 12,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.10 : 47,579.35 = 8,350.38 : x
  2. Step 2: Convert to fraction form
    31,722.10/47,579.35 = 8,350.38/x
  3. Step 3: Cross multiply
    31,722.10x = 47,579.35 × 8,350.38
  4. Step 4: Simplify right side
    31,722.10x = 397,305,652.65
  5. Step 5: Solve for x
    x = 397,305,652.65/31,722.10
  6. Step 6: Final answer
    x = 12,524.57

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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.