Home / 36,316.22-50,119.07-20,401.61

Finding the Fourth Proportional to 36,316.22, 50,119.07 and 20,401.61

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Solution

The fourth proportional to 36,316.22, 50,119.07 and 20,401.61 is: 28,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.22 : 50,119.07 = 20,401.61 : x
  2. Step 2: Convert to fraction form
    36,316.22/50,119.07 = 20,401.61/x
  3. Step 3: Cross multiply
    36,316.22x = 50,119.07 × 20,401.61
  4. Step 4: Simplify right side
    36,316.22x = 1,022,509,367.10
  5. Step 5: Solve for x
    x = 1,022,509,367.10/36,316.22
  6. Step 6: Final answer
    x = 28,155.73

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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.