Home / 36,226.72-49,992.24-20,311.12

Finding the Fourth Proportional to 36,226.72, 49,992.24 and 20,311.12

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Solution

The fourth proportional to 36,226.72, 49,992.24 and 20,311.12 is: 28,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226.72 : 49,992.24 = 20,311.12 : x
  2. Step 2: Convert to fraction form
    36,226.72/49,992.24 = 20,311.12/x
  3. Step 3: Cross multiply
    36,226.72x = 49,992.24 × 20,311.12
  4. Step 4: Simplify right side
    36,226.72x = 1,015,398,385.71
  5. Step 5: Solve for x
    x = 1,015,398,385.71/36,226.72
  6. Step 6: Final answer
    x = 28,028.99

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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.