Home / 51,145.40-76,623.06-27,791.48

Finding the Fourth Proportional to 51,145.40, 76,623.06 and 27,791.48

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Solution

The fourth proportional to 51,145.40, 76,623.06 and 27,791.48 is: 41,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,145.40 : 76,623.06 = 27,791.48 : x
  2. Step 2: Convert to fraction form
    51,145.40/76,623.06 = 27,791.48/x
  3. Step 3: Cross multiply
    51,145.40x = 76,623.06 × 27,791.48
  4. Step 4: Simplify right side
    51,145.40x = 2,129,468,239.53
  5. Step 5: Solve for x
    x = 2,129,468,239.53/51,145.40
  6. Step 6: Final answer
    x = 41,635.58

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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.