Home / 39,549.68-54,578.20-22,556.60

Finding the Fourth Proportional to 39,549.68, 54,578.20 and 22,556.60

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Solution

The fourth proportional to 39,549.68, 54,578.20 and 22,556.60 is: 31,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.68 : 54,578.20 = 22,556.60 : x
  2. Step 2: Convert to fraction form
    39,549.68/54,578.20 = 22,556.60/x
  3. Step 3: Cross multiply
    39,549.68x = 54,578.20 × 22,556.60
  4. Step 4: Simplify right side
    39,549.68x = 1,231,098,626.12
  5. Step 5: Solve for x
    x = 1,231,098,626.12/39,549.68
  6. Step 6: Final answer
    x = 31,127.90

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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.