Home / 36,711.20-50,661.37-20,795.61

Finding the Fourth Proportional to 36,711.20, 50,661.37 and 20,795.61

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Solution

The fourth proportional to 36,711.20, 50,661.37 and 20,795.61 is: 28,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,711.20 : 50,661.37 = 20,795.61 : x
  2. Step 2: Convert to fraction form
    36,711.20/50,661.37 = 20,795.61/x
  3. Step 3: Cross multiply
    36,711.20x = 50,661.37 × 20,795.61
  4. Step 4: Simplify right side
    36,711.20x = 1,053,534,092.59
  5. Step 5: Solve for x
    x = 1,053,534,092.59/36,711.20
  6. Step 6: Final answer
    x = 28,697.89

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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.