Home / 37,107.20-51,208.56-20,111.99

Finding the Fourth Proportional to 37,107.20, 51,208.56 and 20,111.99

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Solution

The fourth proportional to 37,107.20, 51,208.56 and 20,111.99 is: 27,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.20 : 51,208.56 = 20,111.99 : x
  2. Step 2: Convert to fraction form
    37,107.20/51,208.56 = 20,111.99/x
  3. Step 3: Cross multiply
    37,107.20x = 51,208.56 × 20,111.99
  4. Step 4: Simplify right side
    37,107.20x = 1,029,906,174.66
  5. Step 5: Solve for x
    x = 1,029,906,174.66/37,107.20
  6. Step 6: Final answer
    x = 27,754.89

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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.