Home / 33,311.57-45,971.03-18,205.66

Finding the Fourth Proportional to 33,311.57, 45,971.03 and 18,205.66

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Solution

The fourth proportional to 33,311.57, 45,971.03 and 18,205.66 is: 25,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.57 : 45,971.03 = 18,205.66 : x
  2. Step 2: Convert to fraction form
    33,311.57/45,971.03 = 18,205.66/x
  3. Step 3: Cross multiply
    33,311.57x = 45,971.03 × 18,205.66
  4. Step 4: Simplify right side
    33,311.57x = 836,932,942.03
  5. Step 5: Solve for x
    x = 836,932,942.03/33,311.57
  6. Step 6: Final answer
    x = 25,124.39

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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.