Home / 36,786.54-50,768.70-20,875.98

Finding the Fourth Proportional to 36,786.54, 50,768.70 and 20,875.98

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Solution

The fourth proportional to 36,786.54, 50,768.70 and 20,875.98 is: 28,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.54 : 50,768.70 = 20,875.98 : x
  2. Step 2: Convert to fraction form
    36,786.54/50,768.70 = 20,875.98/x
  3. Step 3: Cross multiply
    36,786.54x = 50,768.70 × 20,875.98
  4. Step 4: Simplify right side
    36,786.54x = 1,059,846,365.83
  5. Step 5: Solve for x
    x = 1,059,846,365.83/36,786.54
  6. Step 6: Final answer
    x = 28,810.71

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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.