Home / 29,668.45-40,942.71-16,922.28

Finding the Fourth Proportional to 29,668.45, 40,942.71 and 16,922.28

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Solution

The fourth proportional to 29,668.45, 40,942.71 and 16,922.28 is: 23,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,668.45 : 40,942.71 = 16,922.28 : x
  2. Step 2: Convert to fraction form
    29,668.45/40,942.71 = 16,922.28/x
  3. Step 3: Cross multiply
    29,668.45x = 40,942.71 × 16,922.28
  4. Step 4: Simplify right side
    29,668.45x = 692,843,797.87
  5. Step 5: Solve for x
    x = 692,843,797.87/29,668.45
  6. Step 6: Final answer
    x = 23,352.89

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1.5x scale

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.