Home / 55,016.04-82,473.84-19,947.90

Finding the Fourth Proportional to 55,016.04, 82,473.84 and 19,947.90

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Solution

The fourth proportional to 55,016.04, 82,473.84 and 19,947.90 is: 29,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,016.04 : 82,473.84 = 19,947.90 : x
  2. Step 2: Convert to fraction form
    55,016.04/82,473.84 = 19,947.90/x
  3. Step 3: Cross multiply
    55,016.04x = 82,473.84 × 19,947.90
  4. Step 4: Simplify right side
    55,016.04x = 1,645,179,912.94
  5. Step 5: Solve for x
    x = 1,645,179,912.94/55,016.04
  6. Step 6: Final answer
    x = 29,903.64

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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.