Home / 29,161.22-43,748.78-9,439.78

Finding the Fourth Proportional to 29,161.22, 43,748.78 and 9,439.78

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Solution

The fourth proportional to 29,161.22, 43,748.78 and 9,439.78 is: 14,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161.22 : 43,748.78 = 9,439.78 : x
  2. Step 2: Convert to fraction form
    29,161.22/43,748.78 = 9,439.78/x
  3. Step 3: Cross multiply
    29,161.22x = 43,748.78 × 9,439.78
  4. Step 4: Simplify right side
    29,161.22x = 412,978,858.47
  5. Step 5: Solve for x
    x = 412,978,858.47/29,161.22
  6. Step 6: Final answer
    x = 14,161.92

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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.