Home / 39,563.26-54,595.14-21,654.79

Finding the Fourth Proportional to 39,563.26, 54,595.14 and 21,654.79

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Solution

The fourth proportional to 39,563.26, 54,595.14 and 21,654.79 is: 29,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,563.26 : 54,595.14 = 21,654.79 : x
  2. Step 2: Convert to fraction form
    39,563.26/54,595.14 = 21,654.79/x
  3. Step 3: Cross multiply
    39,563.26x = 54,595.14 × 21,654.79
  4. Step 4: Simplify right side
    39,563.26x = 1,182,246,291.72
  5. Step 5: Solve for x
    x = 1,182,246,291.72/39,563.26
  6. Step 6: Final answer
    x = 29,882.43

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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.