Home / 33,600.05-50,396.15-12,540.81

Finding the Fourth Proportional to 33,600.05, 50,396.15 and 12,540.81

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Solution

The fourth proportional to 33,600.05, 50,396.15 and 12,540.81 is: 18,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,600.05 : 50,396.15 = 12,540.81 : x
  2. Step 2: Convert to fraction form
    33,600.05/50,396.15 = 12,540.81/x
  3. Step 3: Cross multiply
    33,600.05x = 50,396.15 × 12,540.81
  4. Step 4: Simplify right side
    33,600.05x = 632,008,479.18
  5. Step 5: Solve for x
    x = 632,008,479.18/33,600.05
  6. Step 6: Final answer
    x = 18,809.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.