Home / 33,169.68-45,771.48-21,069.24

Finding the Fourth Proportional to 33,169.68, 45,771.48 and 21,069.24

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Solution

The fourth proportional to 33,169.68, 45,771.48 and 21,069.24 is: 29,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,169.68 : 45,771.48 = 21,069.24 : x
  2. Step 2: Convert to fraction form
    33,169.68/45,771.48 = 21,069.24/x
  3. Step 3: Cross multiply
    33,169.68x = 45,771.48 × 21,069.24
  4. Step 4: Simplify right side
    33,169.68x = 964,370,297.28
  5. Step 5: Solve for x
    x = 964,370,297.28/33,169.68
  6. Step 6: Final answer
    x = 29,073.85

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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.