Home / 48,983.68-73,480.65-20,906.72

Finding the Fourth Proportional to 48,983.68, 73,480.65 and 20,906.72

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Solution

The fourth proportional to 48,983.68, 73,480.65 and 20,906.72 is: 31,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,983.68 : 73,480.65 = 20,906.72 : x
  2. Step 2: Convert to fraction form
    48,983.68/73,480.65 = 20,906.72/x
  3. Step 3: Cross multiply
    48,983.68x = 73,480.65 × 20,906.72
  4. Step 4: Simplify right side
    48,983.68x = 1,536,239,374.97
  5. Step 5: Solve for x
    x = 1,536,239,374.97/48,983.68
  6. Step 6: Final answer
    x = 31,362.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.