Home / 33,243.44-45,872.76-18,338.48

Finding the Fourth Proportional to 33,243.44, 45,872.76 and 18,338.48

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Solution

The fourth proportional to 33,243.44, 45,872.76 and 18,338.48 is: 25,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.44 : 45,872.76 = 18,338.48 : x
  2. Step 2: Convert to fraction form
    33,243.44/45,872.76 = 18,338.48/x
  3. Step 3: Cross multiply
    33,243.44x = 45,872.76 × 18,338.48
  4. Step 4: Simplify right side
    33,243.44x = 841,236,691.80
  5. Step 5: Solve for x
    x = 841,236,691.80/33,243.44
  6. Step 6: Final answer
    x = 25,305.34

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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.