Home / 33,168.22-45,771.09-19,736.40

Finding the Fourth Proportional to 33,168.22, 45,771.09 and 19,736.40

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Solution

The fourth proportional to 33,168.22, 45,771.09 and 19,736.40 is: 27,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.22 : 45,771.09 = 19,736.40 : x
  2. Step 2: Convert to fraction form
    33,168.22/45,771.09 = 19,736.40/x
  3. Step 3: Cross multiply
    33,168.22x = 45,771.09 × 19,736.40
  4. Step 4: Simplify right side
    33,168.22x = 903,356,540.68
  5. Step 5: Solve for x
    x = 903,356,540.68/33,168.22
  6. Step 6: Final answer
    x = 27,235.61

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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.