Home / 29,942.36-41,321.84-16,513.78

Finding the Fourth Proportional to 29,942.36, 41,321.84 and 16,513.78

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Solution

The fourth proportional to 29,942.36, 41,321.84 and 16,513.78 is: 22,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.36 : 41,321.84 = 16,513.78 : x
  2. Step 2: Convert to fraction form
    29,942.36/41,321.84 = 16,513.78/x
  3. Step 3: Cross multiply
    29,942.36x = 41,321.84 × 16,513.78
  4. Step 4: Simplify right side
    29,942.36x = 682,379,774.96
  5. Step 5: Solve for x
    x = 682,379,774.96/29,942.36
  6. Step 6: Final answer
    x = 22,789.78

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1.5x scale

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.