Home / 33,231.68-45,833.79-21,296.13

Finding the Fourth Proportional to 33,231.68, 45,833.79 and 21,296.13

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Solution

The fourth proportional to 33,231.68, 45,833.79 and 21,296.13 is: 29,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.68 : 45,833.79 = 21,296.13 : x
  2. Step 2: Convert to fraction form
    33,231.68/45,833.79 = 21,296.13/x
  3. Step 3: Cross multiply
    33,231.68x = 45,833.79 × 21,296.13
  4. Step 4: Simplify right side
    33,231.68x = 976,082,430.09
  5. Step 5: Solve for x
    x = 976,082,430.09/33,231.68
  6. Step 6: Final answer
    x = 29,372.04

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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.