Home / 33,142.88-45,736.97-18,805.47

Finding the Fourth Proportional to 33,142.88, 45,736.97 and 18,805.47

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Solution

The fourth proportional to 33,142.88, 45,736.97 and 18,805.47 is: 25,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.88 : 45,736.97 = 18,805.47 : x
  2. Step 2: Convert to fraction form
    33,142.88/45,736.97 = 18,805.47/x
  3. Step 3: Cross multiply
    33,142.88x = 45,736.97 × 18,805.47
  4. Step 4: Simplify right side
    33,142.88x = 860,105,123.20
  5. Step 5: Solve for x
    x = 860,105,123.20/33,142.88
  6. Step 6: Final answer
    x = 25,951.43

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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.