Home / 36,949.18-50,989.09-20,817.33

Finding the Fourth Proportional to 36,949.18, 50,989.09 and 20,817.33

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Solution

The fourth proportional to 36,949.18, 50,989.09 and 20,817.33 is: 28,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.18 : 50,989.09 = 20,817.33 : x
  2. Step 2: Convert to fraction form
    36,949.18/50,989.09 = 20,817.33/x
  3. Step 3: Cross multiply
    36,949.18x = 50,989.09 × 20,817.33
  4. Step 4: Simplify right side
    36,949.18x = 1,061,456,712.93
  5. Step 5: Solve for x
    x = 1,061,456,712.93/36,949.18
  6. Step 6: Final answer
    x = 28,727.48

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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.