Home / 36,910.08-50,935.20-20,143.20

Finding the Fourth Proportional to 36,910.08, 50,935.20 and 20,143.20

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Solution

The fourth proportional to 36,910.08, 50,935.20 and 20,143.20 is: 27,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910.08 : 50,935.20 = 20,143.20 : x
  2. Step 2: Convert to fraction form
    36,910.08/50,935.20 = 20,143.20/x
  3. Step 3: Cross multiply
    36,910.08x = 50,935.20 × 20,143.20
  4. Step 4: Simplify right side
    36,910.08x = 1,025,997,920.64
  5. Step 5: Solve for x
    x = 1,025,997,920.64/36,910.08
  6. Step 6: Final answer
    x = 27,797.23

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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.