Home / 33,221.40-45,843.88-18,879.36

Finding the Fourth Proportional to 33,221.40, 45,843.88 and 18,879.36

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Solution

The fourth proportional to 33,221.40, 45,843.88 and 18,879.36 is: 26,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.40 : 45,843.88 = 18,879.36 : x
  2. Step 2: Convert to fraction form
    33,221.40/45,843.88 = 18,879.36/x
  3. Step 3: Cross multiply
    33,221.40x = 45,843.88 × 18,879.36
  4. Step 4: Simplify right side
    33,221.40x = 865,503,114.32
  5. Step 5: Solve for x
    x = 865,503,114.32/33,221.40
  6. Step 6: Final answer
    x = 26,052.58

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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.