Home / 33,327.36-45,991.62-18,220.04

Finding the Fourth Proportional to 33,327.36, 45,991.62 and 18,220.04

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Solution

The fourth proportional to 33,327.36, 45,991.62 and 18,220.04 is: 25,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,327.36 : 45,991.62 = 18,220.04 : x
  2. Step 2: Convert to fraction form
    33,327.36/45,991.62 = 18,220.04/x
  3. Step 3: Cross multiply
    33,327.36x = 45,991.62 × 18,220.04
  4. Step 4: Simplify right side
    33,327.36x = 837,969,156.06
  5. Step 5: Solve for x
    x = 837,969,156.06/33,327.36
  6. Step 6: Final answer
    x = 25,143.58

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Double scale
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Similar ratio
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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.