Home / 54,984.78-82,477.14-19,924.38

Finding the Fourth Proportional to 54,984.78, 82,477.14 and 19,924.38

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Solution

The fourth proportional to 54,984.78, 82,477.14 and 19,924.38 is: 29,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,984.78 : 82,477.14 = 19,924.38 : x
  2. Step 2: Convert to fraction form
    54,984.78/82,477.14 = 19,924.38/x
  3. Step 3: Cross multiply
    54,984.78x = 82,477.14 × 19,924.38
  4. Step 4: Simplify right side
    54,984.78x = 1,643,305,878.67
  5. Step 5: Solve for x
    x = 1,643,305,878.67/54,984.78
  6. Step 6: Final answer
    x = 29,886.56

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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.