Home / 40,986.88-61,474.20-11,401.66

Finding the Fourth Proportional to 40,986.88, 61,474.20 and 11,401.66

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Solution

The fourth proportional to 40,986.88, 61,474.20 and 11,401.66 is: 17,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,986.88 : 61,474.20 = 11,401.66 : x
  2. Step 2: Convert to fraction form
    40,986.88/61,474.20 = 11,401.66/x
  3. Step 3: Cross multiply
    40,986.88x = 61,474.20 × 11,401.66
  4. Step 4: Simplify right side
    40,986.88x = 700,907,927.17
  5. Step 5: Solve for x
    x = 700,907,927.17/40,986.88
  6. Step 6: Final answer
    x = 17,100.79

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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.