Home / 36,179.85-49,930.85-21,843.21

Finding the Fourth Proportional to 36,179.85, 49,930.85 and 21,843.21

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Solution

The fourth proportional to 36,179.85, 49,930.85 and 21,843.21 is: 30,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,179.85 : 49,930.85 = 21,843.21 : x
  2. Step 2: Convert to fraction form
    36,179.85/49,930.85 = 21,843.21/x
  3. Step 3: Cross multiply
    36,179.85x = 49,930.85 × 21,843.21
  4. Step 4: Simplify right side
    36,179.85x = 1,090,649,932.81
  5. Step 5: Solve for x
    x = 1,090,649,932.81/36,179.85
  6. Step 6: Final answer
    x = 30,145.23

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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.