Home / 33,244.89-45,864.96-21,920.34

Finding the Fourth Proportional to 33,244.89, 45,864.96 and 21,920.34

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Solution

The fourth proportional to 33,244.89, 45,864.96 and 21,920.34 is: 30,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,244.89 : 45,864.96 = 21,920.34 : x
  2. Step 2: Convert to fraction form
    33,244.89/45,864.96 = 21,920.34/x
  3. Step 3: Cross multiply
    33,244.89x = 45,864.96 × 21,920.34
  4. Step 4: Simplify right side
    33,244.89x = 1,005,375,517.29
  5. Step 5: Solve for x
    x = 1,005,375,517.29/33,244.89
  6. Step 6: Final answer
    x = 30,241.51

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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.