Home / 29,105.78-43,662.30-11,336.82

Finding the Fourth Proportional to 29,105.78, 43,662.30 and 11,336.82

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Solution

The fourth proportional to 29,105.78, 43,662.30 and 11,336.82 is: 17,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.78 : 43,662.30 = 11,336.82 : x
  2. Step 2: Convert to fraction form
    29,105.78/43,662.30 = 11,336.82/x
  3. Step 3: Cross multiply
    29,105.78x = 43,662.30 × 11,336.82
  4. Step 4: Simplify right side
    29,105.78x = 494,991,635.89
  5. Step 5: Solve for x
    x = 494,991,635.89/29,105.78
  6. Step 6: Final answer
    x = 17,006.64

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1.5x scale

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.