Home / 36,881.47-50,896.20-20,965.92

Finding the Fourth Proportional to 36,881.47, 50,896.20 and 20,965.92

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Solution

The fourth proportional to 36,881.47, 50,896.20 and 20,965.92 is: 28,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.47 : 50,896.20 = 20,965.92 : x
  2. Step 2: Convert to fraction form
    36,881.47/50,896.20 = 20,965.92/x
  3. Step 3: Cross multiply
    36,881.47x = 50,896.20 × 20,965.92
  4. Step 4: Simplify right side
    36,881.47x = 1,067,085,713.62
  5. Step 5: Solve for x
    x = 1,067,085,713.62/36,881.47
  6. Step 6: Final answer
    x = 28,932.84

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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.