Home / 48,469.19-72,650.01-20,380.92

Finding the Fourth Proportional to 48,469.19, 72,650.01 and 20,380.92

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Solution

The fourth proportional to 48,469.19, 72,650.01 and 20,380.92 is: 30,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,469.19 : 72,650.01 = 20,380.92 : x
  2. Step 2: Convert to fraction form
    48,469.19/72,650.01 = 20,380.92/x
  3. Step 3: Cross multiply
    48,469.19x = 72,650.01 × 20,380.92
  4. Step 4: Simplify right side
    48,469.19x = 1,480,673,845.80
  5. Step 5: Solve for x
    x = 1,480,673,845.80/48,469.19
  6. Step 6: Final answer
    x = 30,548.77

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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.