Home / 38,681.26-57,982.18-22,005.79

Finding the Fourth Proportional to 38,681.26, 57,982.18 and 22,005.79

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Solution

The fourth proportional to 38,681.26, 57,982.18 and 22,005.79 is: 32,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,681.26 : 57,982.18 = 22,005.79 : x
  2. Step 2: Convert to fraction form
    38,681.26/57,982.18 = 22,005.79/x
  3. Step 3: Cross multiply
    38,681.26x = 57,982.18 × 22,005.79
  4. Step 4: Simplify right side
    38,681.26x = 1,275,943,676.82
  5. Step 5: Solve for x
    x = 1,275,943,676.82/38,681.26
  6. Step 6: Final answer
    x = 32,986.09

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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.