Home / 36,226.80-49,993.20-20,311.92

Finding the Fourth Proportional to 36,226.80, 49,993.20 and 20,311.92

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Solution

The fourth proportional to 36,226.80, 49,993.20 and 20,311.92 is: 28,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226.80 : 49,993.20 = 20,311.92 : x
  2. Step 2: Convert to fraction form
    36,226.80/49,993.20 = 20,311.92/x
  3. Step 3: Cross multiply
    36,226.80x = 49,993.20 × 20,311.92
  4. Step 4: Simplify right side
    36,226.80x = 1,015,457,878.94
  5. Step 5: Solve for x
    x = 1,015,457,878.94/36,226.80
  6. Step 6: Final answer
    x = 28,030.57

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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.