Home / 33,664.73-50,441.30-20,477.21

Finding the Fourth Proportional to 33,664.73, 50,441.30 and 20,477.21

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Solution

The fourth proportional to 33,664.73, 50,441.30 and 20,477.21 is: 30,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,664.73 : 50,441.30 = 20,477.21 : x
  2. Step 2: Convert to fraction form
    33,664.73/50,441.30 = 20,477.21/x
  3. Step 3: Cross multiply
    33,664.73x = 50,441.30 × 20,477.21
  4. Step 4: Simplify right side
    33,664.73x = 1,032,896,990.39
  5. Step 5: Solve for x
    x = 1,032,896,990.39/33,664.73
  6. Step 6: Final answer
    x = 30,681.87

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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.