Home / 50,380.24-69,540.68-31,505.36

Finding the Fourth Proportional to 50,380.24, 69,540.68 and 31,505.36

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Solution

The fourth proportional to 50,380.24, 69,540.68 and 31,505.36 is: 43,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,380.24 : 69,540.68 = 31,505.36 : x
  2. Step 2: Convert to fraction form
    50,380.24/69,540.68 = 31,505.36/x
  3. Step 3: Cross multiply
    50,380.24x = 69,540.68 × 31,505.36
  4. Step 4: Simplify right side
    50,380.24x = 2,190,904,158.04
  5. Step 5: Solve for x
    x = 2,190,904,158.04/50,380.24
  6. Step 6: Final answer
    x = 43,487.37

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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.