Home / 39,939.30-59,917.46-11,859.44

Finding the Fourth Proportional to 39,939.30, 59,917.46 and 11,859.44

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Solution

The fourth proportional to 39,939.30, 59,917.46 and 11,859.44 is: 17,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.30 : 59,917.46 = 11,859.44 : x
  2. Step 2: Convert to fraction form
    39,939.30/59,917.46 = 11,859.44/x
  3. Step 3: Cross multiply
    39,939.30x = 59,917.46 × 11,859.44
  4. Step 4: Simplify right side
    39,939.30x = 710,587,162.94
  5. Step 5: Solve for x
    x = 710,587,162.94/39,939.30
  6. Step 6: Final answer
    x = 17,791.68

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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.