Home / 31,922.32-47,879.82-12,200.44

Finding the Fourth Proportional to 31,922.32, 47,879.82 and 12,200.44

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Solution

The fourth proportional to 31,922.32, 47,879.82 and 12,200.44 is: 18,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.32 : 47,879.82 = 12,200.44 : x
  2. Step 2: Convert to fraction form
    31,922.32/47,879.82 = 12,200.44/x
  3. Step 3: Cross multiply
    31,922.32x = 47,879.82 × 12,200.44
  4. Step 4: Simplify right side
    31,922.32x = 584,154,871.12
  5. Step 5: Solve for x
    x = 584,154,871.12/31,922.32
  6. Step 6: Final answer
    x = 18,299.26

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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.