Home / 29,811.20-41,138.62-16,382.45

Finding the Fourth Proportional to 29,811.20, 41,138.62 and 16,382.45

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Solution

The fourth proportional to 29,811.20, 41,138.62 and 16,382.45 is: 22,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.20 : 41,138.62 = 16,382.45 : x
  2. Step 2: Convert to fraction form
    29,811.20/41,138.62 = 16,382.45/x
  3. Step 3: Cross multiply
    29,811.20x = 41,138.62 × 16,382.45
  4. Step 4: Simplify right side
    29,811.20x = 673,951,179.53
  5. Step 5: Solve for x
    x = 673,951,179.53/29,811.20
  6. Step 6: Final answer
    x = 22,607.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.