Home / 40,782.29-61,163.30-11,198.66

Finding the Fourth Proportional to 40,782.29, 61,163.30 and 11,198.66

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Solution

The fourth proportional to 40,782.29, 61,163.30 and 11,198.66 is: 16,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.29 : 61,163.30 = 11,198.66 : x
  2. Step 2: Convert to fraction form
    40,782.29/61,163.30 = 11,198.66/x
  3. Step 3: Cross multiply
    40,782.29x = 61,163.30 × 11,198.66
  4. Step 4: Simplify right side
    40,782.29x = 684,946,723.36
  5. Step 5: Solve for x
    x = 684,946,723.36/40,782.29
  6. Step 6: Final answer
    x = 16,795.20

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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.