Home / 36,322.20-50,124.68-20,406.64

Finding the Fourth Proportional to 36,322.20, 50,124.68 and 20,406.64

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Solution

The fourth proportional to 36,322.20, 50,124.68 and 20,406.64 is: 28,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.20 : 50,124.68 = 20,406.64 : x
  2. Step 2: Convert to fraction form
    36,322.20/50,124.68 = 20,406.64/x
  3. Step 3: Cross multiply
    36,322.20x = 50,124.68 × 20,406.64
  4. Step 4: Simplify right side
    36,322.20x = 1,022,876,299.88
  5. Step 5: Solve for x
    x = 1,022,876,299.88/36,322.20
  6. Step 6: Final answer
    x = 28,161.19

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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.