Home / 33,072.33-45,622.32-20,951.43

Finding the Fourth Proportional to 33,072.33, 45,622.32 and 20,951.43

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Solution

The fourth proportional to 33,072.33, 45,622.32 and 20,951.43 is: 28,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.33 : 45,622.32 = 20,951.43 : x
  2. Step 2: Convert to fraction form
    33,072.33/45,622.32 = 20,951.43/x
  3. Step 3: Cross multiply
    33,072.33x = 45,622.32 × 20,951.43
  4. Step 4: Simplify right side
    33,072.33x = 955,852,843.92
  5. Step 5: Solve for x
    x = 955,852,843.92/33,072.33
  6. Step 6: Final answer
    x = 28,901.89

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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.