Home / 33,218.64-45,840.33-19,786.68

Finding the Fourth Proportional to 33,218.64, 45,840.33 and 19,786.68

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Solution

The fourth proportional to 33,218.64, 45,840.33 and 19,786.68 is: 27,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.64 : 45,840.33 = 19,786.68 : x
  2. Step 2: Convert to fraction form
    33,218.64/45,840.33 = 19,786.68/x
  3. Step 3: Cross multiply
    33,218.64x = 45,840.33 × 19,786.68
  4. Step 4: Simplify right side
    33,218.64x = 907,027,940.80
  5. Step 5: Solve for x
    x = 907,027,940.80/33,218.64
  6. Step 6: Final answer
    x = 27,304.79

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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.