Home / 33,660.80-50,435.64-20,473.28

Finding the Fourth Proportional to 33,660.80, 50,435.64 and 20,473.28

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Solution

The fourth proportional to 33,660.80, 50,435.64 and 20,473.28 is: 30,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,660.80 : 50,435.64 = 20,473.28 : x
  2. Step 2: Convert to fraction form
    33,660.80/50,435.64 = 20,473.28/x
  3. Step 3: Cross multiply
    33,660.80x = 50,435.64 × 20,473.28
  4. Step 4: Simplify right side
    33,660.80x = 1,032,582,979.70
  5. Step 5: Solve for x
    x = 1,032,582,979.70/33,660.80
  6. Step 6: Final answer
    x = 30,676.13

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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.