Home / 33,231.29-45,845.66-21,301.61

Finding the Fourth Proportional to 33,231.29, 45,845.66 and 21,301.61

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Solution

The fourth proportional to 33,231.29, 45,845.66 and 21,301.61 is: 29,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.29 : 45,845.66 = 21,301.61 : x
  2. Step 2: Convert to fraction form
    33,231.29/45,845.66 = 21,301.61/x
  3. Step 3: Cross multiply
    33,231.29x = 45,845.66 × 21,301.61
  4. Step 4: Simplify right side
    33,231.29x = 976,586,193.54
  5. Step 5: Solve for x
    x = 976,586,193.54/33,231.29
  6. Step 6: Final answer
    x = 29,387.55

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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.