Home / 33,013.56-45,542.70-21,844.92

Finding the Fourth Proportional to 33,013.56, 45,542.70 and 21,844.92

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Solution

The fourth proportional to 33,013.56, 45,542.70 and 21,844.92 is: 30,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.56 : 45,542.70 = 21,844.92 : x
  2. Step 2: Convert to fraction form
    33,013.56/45,542.70 = 21,844.92/x
  3. Step 3: Cross multiply
    33,013.56x = 45,542.70 × 21,844.92
  4. Step 4: Simplify right side
    33,013.56x = 994,876,638.08
  5. Step 5: Solve for x
    x = 994,876,638.08/33,013.56
  6. Step 6: Final answer
    x = 30,135.39

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Double scale
Find fourth proportional to 33,014.56, 45,544.08 and 21,845.92
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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.