Home / 36,396.20-50,224.64-20,479.70

Finding the Fourth Proportional to 36,396.20, 50,224.64 and 20,479.70

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Solution

The fourth proportional to 36,396.20, 50,224.64 and 20,479.70 is: 28,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,396.20 : 50,224.64 = 20,479.70 : x
  2. Step 2: Convert to fraction form
    36,396.20/50,224.64 = 20,479.70/x
  3. Step 3: Cross multiply
    36,396.20x = 50,224.64 × 20,479.70
  4. Step 4: Simplify right side
    36,396.20x = 1,028,585,559.81
  5. Step 5: Solve for x
    x = 1,028,585,559.81/36,396.20
  6. Step 6: Final answer
    x = 28,260.80

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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.