Home / 33,221.25-45,845.33-18,317.25

Finding the Fourth Proportional to 33,221.25, 45,845.33 and 18,317.25

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Solution

The fourth proportional to 33,221.25, 45,845.33 and 18,317.25 is: 25,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.25 : 45,845.33 = 18,317.25 : x
  2. Step 2: Convert to fraction form
    33,221.25/45,845.33 = 18,317.25/x
  3. Step 3: Cross multiply
    33,221.25x = 45,845.33 × 18,317.25
  4. Step 4: Simplify right side
    33,221.25x = 839,760,279.36
  5. Step 5: Solve for x
    x = 839,760,279.36/33,221.25
  6. Step 6: Final answer
    x = 25,277.81

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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.