Home / 36,076.11-49,784.89-20,160.56

Finding the Fourth Proportional to 36,076.11, 49,784.89 and 20,160.56

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Solution

The fourth proportional to 36,076.11, 49,784.89 and 20,160.56 is: 27,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.11 : 49,784.89 = 20,160.56 : x
  2. Step 2: Convert to fraction form
    36,076.11/49,784.89 = 20,160.56/x
  3. Step 3: Cross multiply
    36,076.11x = 49,784.89 × 20,160.56
  4. Step 4: Simplify right side
    36,076.11x = 1,003,691,261.94
  5. Step 5: Solve for x
    x = 1,003,691,261.94/36,076.11
  6. Step 6: Final answer
    x = 27,821.49

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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.