Home / 51,256.73-76,896.03-17,978.79

Finding the Fourth Proportional to 51,256.73, 76,896.03 and 17,978.79

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Solution

The fourth proportional to 51,256.73, 76,896.03 and 17,978.79 is: 26,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,256.73 : 76,896.03 = 17,978.79 : x
  2. Step 2: Convert to fraction form
    51,256.73/76,896.03 = 17,978.79/x
  3. Step 3: Cross multiply
    51,256.73x = 76,896.03 × 17,978.79
  4. Step 4: Simplify right side
    51,256.73x = 1,382,497,930.98
  5. Step 5: Solve for x
    x = 1,382,497,930.98/51,256.73
  6. Step 6: Final answer
    x = 26,972.03

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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.