Home / 33,236.90-45,855.42-21,306.82

Finding the Fourth Proportional to 33,236.90, 45,855.42 and 21,306.82

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Solution

The fourth proportional to 33,236.90, 45,855.42 and 21,306.82 is: 29,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.90 : 45,855.42 = 21,306.82 : x
  2. Step 2: Convert to fraction form
    33,236.90/45,855.42 = 21,306.82/x
  3. Step 3: Cross multiply
    33,236.90x = 45,855.42 × 21,306.82
  4. Step 4: Simplify right side
    33,236.90x = 977,033,179.96
  5. Step 5: Solve for x
    x = 977,033,179.96/33,236.90
  6. Step 6: Final answer
    x = 29,396.04

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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.