Home / 54,724.68-82,091.07-19,664.64

Finding the Fourth Proportional to 54,724.68, 82,091.07 and 19,664.64

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Solution

The fourth proportional to 54,724.68, 82,091.07 and 19,664.64 is: 29,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.68 : 82,091.07 = 19,664.64 : x
  2. Step 2: Convert to fraction form
    54,724.68/82,091.07 = 19,664.64/x
  3. Step 3: Cross multiply
    54,724.68x = 82,091.07 × 19,664.64
  4. Step 4: Simplify right side
    54,724.68x = 1,614,291,338.76
  5. Step 5: Solve for x
    x = 1,614,291,338.76/54,724.68
  6. Step 6: Final answer
    x = 29,498.42

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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.