Home / 29,308.68-43,965-11,778.48

Finding the Fourth Proportional to 29,308.68, 43,965 and 11,778.48

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Solution

The fourth proportional to 29,308.68, 43,965 and 11,778.48 is: 17,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308.68 : 43,965 = 11,778.48 : x
  2. Step 2: Convert to fraction form
    29,308.68/43,965 = 11,778.48/x
  3. Step 3: Cross multiply
    29,308.68x = 43,965 × 11,778.48
  4. Step 4: Simplify right side
    29,308.68x = 517,840,873.20
  5. Step 5: Solve for x
    x = 517,840,873.20/29,308.68
  6. Step 6: Final answer
    x = 17,668.52

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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.