Home / 50,367.28-75,485.20-20,755.32

Finding the Fourth Proportional to 50,367.28, 75,485.20 and 20,755.32

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Solution

The fourth proportional to 50,367.28, 75,485.20 and 20,755.32 is: 31,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,367.28 : 75,485.20 = 20,755.32 : x
  2. Step 2: Convert to fraction form
    50,367.28/75,485.20 = 20,755.32/x
  3. Step 3: Cross multiply
    50,367.28x = 75,485.20 × 20,755.32
  4. Step 4: Simplify right side
    50,367.28x = 1,566,719,481.26
  5. Step 5: Solve for x
    x = 1,566,719,481.26/50,367.28
  6. Step 6: Final answer
    x = 31,105.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.