Home / 36,076.21-49,778.04-20,157.58

Finding the Fourth Proportional to 36,076.21, 49,778.04 and 20,157.58

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Solution

The fourth proportional to 36,076.21, 49,778.04 and 20,157.58 is: 27,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.21 : 49,778.04 = 20,157.58 : x
  2. Step 2: Convert to fraction form
    36,076.21/49,778.04 = 20,157.58/x
  3. Step 3: Cross multiply
    36,076.21x = 49,778.04 × 20,157.58
  4. Step 4: Simplify right side
    36,076.21x = 1,003,404,823.54
  5. Step 5: Solve for x
    x = 1,003,404,823.54/36,076.21
  6. Step 6: Final answer
    x = 27,813.48

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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.