Home / 30,395.80-41,942.04-16,965.33

Finding the Fourth Proportional to 30,395.80, 41,942.04 and 16,965.33

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Solution

The fourth proportional to 30,395.80, 41,942.04 and 16,965.33 is: 23,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.80 : 41,942.04 = 16,965.33 : x
  2. Step 2: Convert to fraction form
    30,395.80/41,942.04 = 16,965.33/x
  3. Step 3: Cross multiply
    30,395.80x = 41,942.04 × 16,965.33
  4. Step 4: Simplify right side
    30,395.80x = 711,560,328.57
  5. Step 5: Solve for x
    x = 711,560,328.57/30,395.80
  6. Step 6: Final answer
    x = 23,409.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.