Home / 33,336.44-45,982.60-21,380.84

Finding the Fourth Proportional to 33,336.44, 45,982.60 and 21,380.84

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Solution

The fourth proportional to 33,336.44, 45,982.60 and 21,380.84 is: 29,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,336.44 : 45,982.60 = 21,380.84 : x
  2. Step 2: Convert to fraction form
    33,336.44/45,982.60 = 21,380.84/x
  3. Step 3: Cross multiply
    33,336.44x = 45,982.60 × 21,380.84
  4. Step 4: Simplify right side
    33,336.44x = 983,146,383.47
  5. Step 5: Solve for x
    x = 983,146,383.47/33,336.44
  6. Step 6: Final answer
    x = 29,491.65

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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.