Home / 36,418.80-50,260.44-20,288.64

Finding the Fourth Proportional to 36,418.80, 50,260.44 and 20,288.64

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Solution

The fourth proportional to 36,418.80, 50,260.44 and 20,288.64 is: 27,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.80 : 50,260.44 = 20,288.64 : x
  2. Step 2: Convert to fraction form
    36,418.80/50,260.44 = 20,288.64/x
  3. Step 3: Cross multiply
    36,418.80x = 50,260.44 × 20,288.64
  4. Step 4: Simplify right side
    36,418.80x = 1,019,715,973.40
  5. Step 5: Solve for x
    x = 1,019,715,973.40/36,418.80
  6. Step 6: Final answer
    x = 27,999.71

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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.