Home / 36,311.69-50,119.66-20,401.27

Finding the Fourth Proportional to 36,311.69, 50,119.66 and 20,401.27

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Solution

The fourth proportional to 36,311.69, 50,119.66 and 20,401.27 is: 28,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.69 : 50,119.66 = 20,401.27 : x
  2. Step 2: Convert to fraction form
    36,311.69/50,119.66 = 20,401.27/x
  3. Step 3: Cross multiply
    36,311.69x = 50,119.66 × 20,401.27
  4. Step 4: Simplify right side
    36,311.69x = 1,022,504,616.17
  5. Step 5: Solve for x
    x = 1,022,504,616.17/36,311.69
  6. Step 6: Final answer
    x = 28,159.10

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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.