Home / 51,076.88-76,456.92-27,645.20

Finding the Fourth Proportional to 51,076.88, 76,456.92 and 27,645.20

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Solution

The fourth proportional to 51,076.88, 76,456.92 and 27,645.20 is: 41,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,076.88 : 76,456.92 = 27,645.20 : x
  2. Step 2: Convert to fraction form
    51,076.88/76,456.92 = 27,645.20/x
  3. Step 3: Cross multiply
    51,076.88x = 76,456.92 × 27,645.20
  4. Step 4: Simplify right side
    51,076.88x = 2,113,666,844.78
  5. Step 5: Solve for x
    x = 2,113,666,844.78/51,076.88
  6. Step 6: Final answer
    x = 41,382.07

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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.