Home / 29,078.37-43,639.29-11,311.83

Finding the Fourth Proportional to 29,078.37, 43,639.29 and 11,311.83

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Solution

The fourth proportional to 29,078.37, 43,639.29 and 11,311.83 is: 16,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.37 : 43,639.29 = 11,311.83 : x
  2. Step 2: Convert to fraction form
    29,078.37/43,639.29 = 11,311.83/x
  3. Step 3: Cross multiply
    29,078.37x = 43,639.29 × 11,311.83
  4. Step 4: Simplify right side
    29,078.37x = 493,640,229.80
  5. Step 5: Solve for x
    x = 493,640,229.80/29,078.37
  6. Step 6: Final answer
    x = 16,976.20

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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.