Home / 33,321.84-45,965.94-21,371.88

Finding the Fourth Proportional to 33,321.84, 45,965.94 and 21,371.88

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Solution

The fourth proportional to 33,321.84, 45,965.94 and 21,371.88 is: 29,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.84 : 45,965.94 = 21,371.88 : x
  2. Step 2: Convert to fraction form
    33,321.84/45,965.94 = 21,371.88/x
  3. Step 3: Cross multiply
    33,321.84x = 45,965.94 × 21,371.88
  4. Step 4: Simplify right side
    33,321.84x = 982,378,553.77
  5. Step 5: Solve for x
    x = 982,378,553.77/33,321.84
  6. Step 6: Final answer
    x = 29,481.52

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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.