Home / 33,836.20-50,768.70-21,365.80

Finding the Fourth Proportional to 33,836.20, 50,768.70 and 21,365.80

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Solution

The fourth proportional to 33,836.20, 50,768.70 and 21,365.80 is: 32,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,836.20 : 50,768.70 = 21,365.80 : x
  2. Step 2: Convert to fraction form
    33,836.20/50,768.70 = 21,365.80/x
  3. Step 3: Cross multiply
    33,836.20x = 50,768.70 × 21,365.80
  4. Step 4: Simplify right side
    33,836.20x = 1,084,713,890.46
  5. Step 5: Solve for x
    x = 1,084,713,890.46/33,836.20
  6. Step 6: Final answer
    x = 32,057.79

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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.