Home / 37,238-51,388.46-20,472.08

Finding the Fourth Proportional to 37,238, 51,388.46 and 20,472.08

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Solution

The fourth proportional to 37,238, 51,388.46 and 20,472.08 is: 28,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,238 : 51,388.46 = 20,472.08 : x
  2. Step 2: Convert to fraction form
    37,238/51,388.46 = 20,472.08/x
  3. Step 3: Cross multiply
    37,238x = 51,388.46 × 20,472.08
  4. Step 4: Simplify right side
    37,238x = 1,052,028,664.20
  5. Step 5: Solve for x
    x = 1,052,028,664.20/37,238
  6. Step 6: Final answer
    x = 28,251.48

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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.