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Finding the Fourth Proportional to 36,772.26, 50,745.60 and 20,005.26

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Solution

The fourth proportional to 36,772.26, 50,745.60 and 20,005.26 is: 27,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,772.26 : 50,745.60 = 20,005.26 : x
  2. Step 2: Convert to fraction form
    36,772.26/50,745.60 = 20,005.26/x
  3. Step 3: Cross multiply
    36,772.26x = 50,745.60 × 20,005.26
  4. Step 4: Simplify right side
    36,772.26x = 1,015,178,921.86
  5. Step 5: Solve for x
    x = 1,015,178,921.86/36,772.26
  6. Step 6: Final answer
    x = 27,607.19

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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.