Home / 34,423.72-51,629.44-21,906.60

Finding the Fourth Proportional to 34,423.72, 51,629.44 and 21,906.60

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Solution

The fourth proportional to 34,423.72, 51,629.44 and 21,906.60 is: 32,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,423.72 : 51,629.44 = 21,906.60 : x
  2. Step 2: Convert to fraction form
    34,423.72/51,629.44 = 21,906.60/x
  3. Step 3: Cross multiply
    34,423.72x = 51,629.44 × 21,906.60
  4. Step 4: Simplify right side
    34,423.72x = 1,131,025,490.30
  5. Step 5: Solve for x
    x = 1,131,025,490.30/34,423.72
  6. Step 6: Final answer
    x = 32,855.99

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1.5x scale

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.