Home / 36,396.08-50,222.52-20,486

Finding the Fourth Proportional to 36,396.08, 50,222.52 and 20,486

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Solution

The fourth proportional to 36,396.08, 50,222.52 and 20,486 is: 28,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,396.08 : 50,222.52 = 20,486 : x
  2. Step 2: Convert to fraction form
    36,396.08/50,222.52 = 20,486/x
  3. Step 3: Cross multiply
    36,396.08x = 50,222.52 × 20,486
  4. Step 4: Simplify right side
    36,396.08x = 1,028,858,544.72
  5. Step 5: Solve for x
    x = 1,028,858,544.72/36,396.08
  6. Step 6: Final answer
    x = 28,268.39

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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.