Home / 36,320.82-50,127.42-20,405.30

Finding the Fourth Proportional to 36,320.82, 50,127.42 and 20,405.30

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Solution

The fourth proportional to 36,320.82, 50,127.42 and 20,405.30 is: 28,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.82 : 50,127.42 = 20,405.30 : x
  2. Step 2: Convert to fraction form
    36,320.82/50,127.42 = 20,405.30/x
  3. Step 3: Cross multiply
    36,320.82x = 50,127.42 × 20,405.30
  4. Step 4: Simplify right side
    36,320.82x = 1,022,864,792.69
  5. Step 5: Solve for x
    x = 1,022,864,792.69/36,320.82
  6. Step 6: Final answer
    x = 28,161.94

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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.