Home / 36,396.56-50,226.72-20,479.76

Finding the Fourth Proportional to 36,396.56, 50,226.72 and 20,479.76

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Solution

The fourth proportional to 36,396.56, 50,226.72 and 20,479.76 is: 28,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,396.56 : 50,226.72 = 20,479.76 : x
  2. Step 2: Convert to fraction form
    36,396.56/50,226.72 = 20,479.76/x
  3. Step 3: Cross multiply
    36,396.56x = 50,226.72 × 20,479.76
  4. Step 4: Simplify right side
    36,396.56x = 1,028,631,171.19
  5. Step 5: Solve for x
    x = 1,028,631,171.19/36,396.56
  6. Step 6: Final answer
    x = 28,261.77

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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.