Home / 36,539.15-50,424.26-21,428.73

Finding the Fourth Proportional to 36,539.15, 50,424.26 and 21,428.73

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Solution

The fourth proportional to 36,539.15, 50,424.26 and 21,428.73 is: 29,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,539.15 : 50,424.26 = 21,428.73 : x
  2. Step 2: Convert to fraction form
    36,539.15/50,424.26 = 21,428.73/x
  3. Step 3: Cross multiply
    36,539.15x = 50,424.26 × 21,428.73
  4. Step 4: Simplify right side
    36,539.15x = 1,080,527,745.85
  5. Step 5: Solve for x
    x = 1,080,527,745.85/36,539.15
  6. Step 6: Final answer
    x = 29,571.79

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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.