Home / 57,940.97-86,921.25-17,950.76

Finding the Fourth Proportional to 57,940.97, 86,921.25 and 17,950.76

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Solution

The fourth proportional to 57,940.97, 86,921.25 and 17,950.76 is: 26,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940.97 : 86,921.25 = 17,950.76 : x
  2. Step 2: Convert to fraction form
    57,940.97/86,921.25 = 17,950.76/x
  3. Step 3: Cross multiply
    57,940.97x = 86,921.25 × 17,950.76
  4. Step 4: Simplify right side
    57,940.97x = 1,560,302,911.59
  5. Step 5: Solve for x
    x = 1,560,302,911.59/57,940.97
  6. Step 6: Final answer
    x = 26,929.18

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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.