Home / 36,121.14-49,848.21-20,205.65

Finding the Fourth Proportional to 36,121.14, 49,848.21 and 20,205.65

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Solution

The fourth proportional to 36,121.14, 49,848.21 and 20,205.65 is: 27,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.14 : 49,848.21 = 20,205.65 : x
  2. Step 2: Convert to fraction form
    36,121.14/49,848.21 = 20,205.65/x
  3. Step 3: Cross multiply
    36,121.14x = 49,848.21 × 20,205.65
  4. Step 4: Simplify right side
    36,121.14x = 1,007,215,609.01
  5. Step 5: Solve for x
    x = 1,007,215,609.01/36,121.14
  6. Step 6: Final answer
    x = 27,884.38

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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.