Home / 39,137.82-58,661.52-18,033.75

Finding the Fourth Proportional to 39,137.82, 58,661.52 and 18,033.75

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Solution

The fourth proportional to 39,137.82, 58,661.52 and 18,033.75 is: 27,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.82 : 58,661.52 = 18,033.75 : x
  2. Step 2: Convert to fraction form
    39,137.82/58,661.52 = 18,033.75/x
  3. Step 3: Cross multiply
    39,137.82x = 58,661.52 × 18,033.75
  4. Step 4: Simplify right side
    39,137.82x = 1,057,887,186.30
  5. Step 5: Solve for x
    x = 1,057,887,186.30/39,137.82
  6. Step 6: Final answer
    x = 27,029.79

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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.