Home / 36,291.53-50,086.41-20,381.11

Finding the Fourth Proportional to 36,291.53, 50,086.41 and 20,381.11

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Solution

The fourth proportional to 36,291.53, 50,086.41 and 20,381.11 is: 28,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.53 : 50,086.41 = 20,381.11 : x
  2. Step 2: Convert to fraction form
    36,291.53/50,086.41 = 20,381.11/x
  3. Step 3: Cross multiply
    36,291.53x = 50,086.41 × 20,381.11
  4. Step 4: Simplify right side
    36,291.53x = 1,020,816,631.72
  5. Step 5: Solve for x
    x = 1,020,816,631.72/36,291.53
  6. Step 6: Final answer
    x = 28,128.23

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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.