Home / 36,357.12-50,171.88-20,441.28

Finding the Fourth Proportional to 36,357.12, 50,171.88 and 20,441.28

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Solution

The fourth proportional to 36,357.12, 50,171.88 and 20,441.28 is: 28,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,357.12 : 50,171.88 = 20,441.28 : x
  2. Step 2: Convert to fraction form
    36,357.12/50,171.88 = 20,441.28/x
  3. Step 3: Cross multiply
    36,357.12x = 50,171.88 × 20,441.28
  4. Step 4: Simplify right side
    36,357.12x = 1,025,577,447.21
  5. Step 5: Solve for x
    x = 1,025,577,447.21/36,357.12
  6. Step 6: Final answer
    x = 28,208.43

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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.