Home / 40,049.10-55,265.53-22,143.03

Finding the Fourth Proportional to 40,049.10, 55,265.53 and 22,143.03

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Solution

The fourth proportional to 40,049.10, 55,265.53 and 22,143.03 is: 30,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.10 : 55,265.53 = 22,143.03 : x
  2. Step 2: Convert to fraction form
    40,049.10/55,265.53 = 22,143.03/x
  3. Step 3: Cross multiply
    40,049.10x = 55,265.53 × 22,143.03
  4. Step 4: Simplify right side
    40,049.10x = 1,223,746,454.60
  5. Step 5: Solve for x
    x = 1,223,746,454.60/40,049.10
  6. Step 6: Final answer
    x = 30,556.15

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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.