Home / 33,068.49-45,608.11-21,749.60

Finding the Fourth Proportional to 33,068.49, 45,608.11 and 21,749.60

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Solution

The fourth proportional to 33,068.49, 45,608.11 and 21,749.60 is: 29,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.49 : 45,608.11 = 21,749.60 : x
  2. Step 2: Convert to fraction form
    33,068.49/45,608.11 = 21,749.60/x
  3. Step 3: Cross multiply
    33,068.49x = 45,608.11 × 21,749.60
  4. Step 4: Simplify right side
    33,068.49x = 991,958,208.90
  5. Step 5: Solve for x
    x = 991,958,208.90/33,068.49
  6. Step 6: Final answer
    x = 29,997.09

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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.