Home / 35,722.76-49,286.19-20,613.44

Finding the Fourth Proportional to 35,722.76, 49,286.19 and 20,613.44

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Solution

The fourth proportional to 35,722.76, 49,286.19 and 20,613.44 is: 28,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,722.76 : 49,286.19 = 20,613.44 : x
  2. Step 2: Convert to fraction form
    35,722.76/49,286.19 = 20,613.44/x
  3. Step 3: Cross multiply
    35,722.76x = 49,286.19 × 20,613.44
  4. Step 4: Simplify right side
    35,722.76x = 1,015,957,727.72
  5. Step 5: Solve for x
    x = 1,015,957,727.72/35,722.76
  6. Step 6: Final answer
    x = 28,440.07

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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.