Home / 39,556.43-54,585.75-21,647.97

Finding the Fourth Proportional to 39,556.43, 54,585.75 and 21,647.97

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Solution

The fourth proportional to 39,556.43, 54,585.75 and 21,647.97 is: 29,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.43 : 54,585.75 = 21,647.97 : x
  2. Step 2: Convert to fraction form
    39,556.43/54,585.75 = 21,647.97/x
  3. Step 3: Cross multiply
    39,556.43x = 54,585.75 × 21,647.97
  4. Step 4: Simplify right side
    39,556.43x = 1,181,670,554.91
  5. Step 5: Solve for x
    x = 1,181,670,554.91/39,556.43
  6. Step 6: Final answer
    x = 29,873.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.