Home / 33,311.63-45,968.68-18,204.80

Finding the Fourth Proportional to 33,311.63, 45,968.68 and 18,204.80

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Solution

The fourth proportional to 33,311.63, 45,968.68 and 18,204.80 is: 25,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.63 : 45,968.68 = 18,204.80 : x
  2. Step 2: Convert to fraction form
    33,311.63/45,968.68 = 18,204.80/x
  3. Step 3: Cross multiply
    33,311.63x = 45,968.68 × 18,204.80
  4. Step 4: Simplify right side
    33,311.63x = 836,850,418.58
  5. Step 5: Solve for x
    x = 836,850,418.58/33,311.63
  6. Step 6: Final answer
    x = 25,121.87

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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.