Home / 36,310.32-50,105.74-20,396.24

Finding the Fourth Proportional to 36,310.32, 50,105.74 and 20,396.24

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Solution

The fourth proportional to 36,310.32, 50,105.74 and 20,396.24 is: 28,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.32 : 50,105.74 = 20,396.24 : x
  2. Step 2: Convert to fraction form
    36,310.32/50,105.74 = 20,396.24/x
  3. Step 3: Cross multiply
    36,310.32x = 50,105.74 × 20,396.24
  4. Step 4: Simplify right side
    36,310.32x = 1,021,968,698.42
  5. Step 5: Solve for x
    x = 1,021,968,698.42/36,310.32
  6. Step 6: Final answer
    x = 28,145.41

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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.