Home / 36,911.44-50,938.68-20,997.64

Finding the Fourth Proportional to 36,911.44, 50,938.68 and 20,997.64

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Solution

The fourth proportional to 36,911.44, 50,938.68 and 20,997.64 is: 28,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.44 : 50,938.68 = 20,997.64 : x
  2. Step 2: Convert to fraction form
    36,911.44/50,938.68 = 20,997.64/x
  3. Step 3: Cross multiply
    36,911.44x = 50,938.68 × 20,997.64
  4. Step 4: Simplify right side
    36,911.44x = 1,069,592,064.72
  5. Step 5: Solve for x
    x = 1,069,592,064.72/36,911.44
  6. Step 6: Final answer
    x = 28,977.25

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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.