Home / 39,599.55-54,647.38-21,694.60

Finding the Fourth Proportional to 39,599.55, 54,647.38 and 21,694.60

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Solution

The fourth proportional to 39,599.55, 54,647.38 and 21,694.60 is: 29,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599.55 : 54,647.38 = 21,694.60 : x
  2. Step 2: Convert to fraction form
    39,599.55/54,647.38 = 21,694.60/x
  3. Step 3: Cross multiply
    39,599.55x = 54,647.38 × 21,694.60
  4. Step 4: Simplify right side
    39,599.55x = 1,185,552,668.44
  5. Step 5: Solve for x
    x = 1,185,552,668.44/39,599.55
  6. Step 6: Final answer
    x = 29,938.54

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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.