Home / 36,313.38-50,121.99-20,402.96

Finding the Fourth Proportional to 36,313.38, 50,121.99 and 20,402.96

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Solution

The fourth proportional to 36,313.38, 50,121.99 and 20,402.96 is: 28,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.38 : 50,121.99 = 20,402.96 : x
  2. Step 2: Convert to fraction form
    36,313.38/50,121.99 = 20,402.96/x
  3. Step 3: Cross multiply
    36,313.38x = 50,121.99 × 20,402.96
  4. Step 4: Simplify right side
    36,313.38x = 1,022,636,706.48
  5. Step 5: Solve for x
    x = 1,022,636,706.48/36,313.38
  6. Step 6: Final answer
    x = 28,161.43

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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.