Home / 36,886.24-50,905.38-20,972.44

Finding the Fourth Proportional to 36,886.24, 50,905.38 and 20,972.44

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Solution

The fourth proportional to 36,886.24, 50,905.38 and 20,972.44 is: 28,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.24 : 50,905.38 = 20,972.44 : x
  2. Step 2: Convert to fraction form
    36,886.24/50,905.38 = 20,972.44/x
  3. Step 3: Cross multiply
    36,886.24x = 50,905.38 × 20,972.44
  4. Step 4: Simplify right side
    36,886.24x = 1,067,610,027.73
  5. Step 5: Solve for x
    x = 1,067,610,027.73/36,886.24
  6. Step 6: Final answer
    x = 28,943.31

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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.