Home / 33,218.75-45,841.88-18,314.75

Finding the Fourth Proportional to 33,218.75, 45,841.88 and 18,314.75

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Solution

The fourth proportional to 33,218.75, 45,841.88 and 18,314.75 is: 25,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.75 : 45,841.88 = 18,314.75 : x
  2. Step 2: Convert to fraction form
    33,218.75/45,841.88 = 18,314.75/x
  3. Step 3: Cross multiply
    33,218.75x = 45,841.88 × 18,314.75
  4. Step 4: Simplify right side
    33,218.75x = 839,582,571.73
  5. Step 5: Solve for x
    x = 839,582,571.73/33,218.75
  6. Step 6: Final answer
    x = 25,274.36

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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.