Home / 37,107.82-51,209.42-20,112.61

Finding the Fourth Proportional to 37,107.82, 51,209.42 and 20,112.61

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Solution

The fourth proportional to 37,107.82, 51,209.42 and 20,112.61 is: 27,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.82 : 51,209.42 = 20,112.61 : x
  2. Step 2: Convert to fraction form
    37,107.82/51,209.42 = 20,112.61/x
  3. Step 3: Cross multiply
    37,107.82x = 51,209.42 × 20,112.61
  4. Step 4: Simplify right side
    37,107.82x = 1,029,955,092.79
  5. Step 5: Solve for x
    x = 1,029,955,092.79/37,107.82
  6. Step 6: Final answer
    x = 27,755.74

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1.5x scale

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.