Home / 36,906.44-50,925.78-20,987.82

Finding the Fourth Proportional to 36,906.44, 50,925.78 and 20,987.82

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Solution

The fourth proportional to 36,906.44, 50,925.78 and 20,987.82 is: 28,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.44 : 50,925.78 = 20,987.82 : x
  2. Step 2: Convert to fraction form
    36,906.44/50,925.78 = 20,987.82/x
  3. Step 3: Cross multiply
    36,906.44x = 50,925.78 × 20,987.82
  4. Step 4: Simplify right side
    36,906.44x = 1,068,821,104.00
  5. Step 5: Solve for x
    x = 1,068,821,104.00/36,906.44
  6. Step 6: Final answer
    x = 28,960.29

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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.