Home / 36,698.73-50,644.91-20,786.47

Finding the Fourth Proportional to 36,698.73, 50,644.91 and 20,786.47

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Solution

The fourth proportional to 36,698.73, 50,644.91 and 20,786.47 is: 28,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.73 : 50,644.91 = 20,786.47 : x
  2. Step 2: Convert to fraction form
    36,698.73/50,644.91 = 20,786.47/x
  3. Step 3: Cross multiply
    36,698.73x = 50,644.91 × 20,786.47
  4. Step 4: Simplify right side
    36,698.73x = 1,052,728,902.37
  5. Step 5: Solve for x
    x = 1,052,728,902.37/36,698.73
  6. Step 6: Final answer
    x = 28,685.70

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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.