Home / 43,039.20-64,439.04-21,933.73

Finding the Fourth Proportional to 43,039.20, 64,439.04 and 21,933.73

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Solution

The fourth proportional to 43,039.20, 64,439.04 and 21,933.73 is: 32,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.20 : 64,439.04 = 21,933.73 : x
  2. Step 2: Convert to fraction form
    43,039.20/64,439.04 = 21,933.73/x
  3. Step 3: Cross multiply
    43,039.20x = 64,439.04 × 21,933.73
  4. Step 4: Simplify right side
    43,039.20x = 1,413,388,504.82
  5. Step 5: Solve for x
    x = 1,413,388,504.82/43,039.20
  6. Step 6: Final answer
    x = 32,839.56

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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.