Home / 36,512.97-54,736.64-13,123

Finding the Fourth Proportional to 36,512.97, 54,736.64 and 13,123

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Solution

The fourth proportional to 36,512.97, 54,736.64 and 13,123 is: 19,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,512.97 : 54,736.64 = 13,123 : x
  2. Step 2: Convert to fraction form
    36,512.97/54,736.64 = 13,123/x
  3. Step 3: Cross multiply
    36,512.97x = 54,736.64 × 13,123
  4. Step 4: Simplify right side
    36,512.97x = 718,308,926.72
  5. Step 5: Solve for x
    x = 718,308,926.72/36,512.97
  6. Step 6: Final answer
    x = 19,672.71

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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.