Home / 33,326.93-45,991.82-18,220.23

Finding the Fourth Proportional to 33,326.93, 45,991.82 and 18,220.23

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Solution

The fourth proportional to 33,326.93, 45,991.82 and 18,220.23 is: 25,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.93 : 45,991.82 = 18,220.23 : x
  2. Step 2: Convert to fraction form
    33,326.93/45,991.82 = 18,220.23/x
  3. Step 3: Cross multiply
    33,326.93x = 45,991.82 × 18,220.23
  4. Step 4: Simplify right side
    33,326.93x = 837,981,447.42
  5. Step 5: Solve for x
    x = 837,981,447.42/33,326.93
  6. Step 6: Final answer
    x = 25,144.28

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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.