Home / 36,908.10-50,939.64-21,799.71

Finding the Fourth Proportional to 36,908.10, 50,939.64 and 21,799.71

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Solution

The fourth proportional to 36,908.10, 50,939.64 and 21,799.71 is: 30,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,908.10 : 50,939.64 = 21,799.71 : x
  2. Step 2: Convert to fraction form
    36,908.10/50,939.64 = 21,799.71/x
  3. Step 3: Cross multiply
    36,908.10x = 50,939.64 × 21,799.71
  4. Step 4: Simplify right side
    36,908.10x = 1,110,469,379.50
  5. Step 5: Solve for x
    x = 1,110,469,379.50/36,908.10
  6. Step 6: Final answer
    x = 30,087.42

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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.