Home / 37,215.24-51,356.82-20,447.88

Finding the Fourth Proportional to 37,215.24, 51,356.82 and 20,447.88

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Solution

The fourth proportional to 37,215.24, 51,356.82 and 20,447.88 is: 28,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.24 : 51,356.82 = 20,447.88 : x
  2. Step 2: Convert to fraction form
    37,215.24/51,356.82 = 20,447.88/x
  3. Step 3: Cross multiply
    37,215.24x = 51,356.82 × 20,447.88
  4. Step 4: Simplify right side
    37,215.24x = 1,050,138,092.54
  5. Step 5: Solve for x
    x = 1,050,138,092.54/37,215.24
  6. Step 6: Final answer
    x = 28,217.96

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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.