Home / 36,189.21-49,942.52-20,273.79

Finding the Fourth Proportional to 36,189.21, 49,942.52 and 20,273.79

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Solution

The fourth proportional to 36,189.21, 49,942.52 and 20,273.79 is: 27,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.21 : 49,942.52 = 20,273.79 : x
  2. Step 2: Convert to fraction form
    36,189.21/49,942.52 = 20,273.79/x
  3. Step 3: Cross multiply
    36,189.21x = 49,942.52 × 20,273.79
  4. Step 4: Simplify right side
    36,189.21x = 1,012,524,162.55
  5. Step 5: Solve for x
    x = 1,012,524,162.55/36,189.21
  6. Step 6: Final answer
    x = 27,978.62

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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.