Home / 48,370.59-72,481.91-20,275.33

Finding the Fourth Proportional to 48,370.59, 72,481.91 and 20,275.33

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Solution

The fourth proportional to 48,370.59, 72,481.91 and 20,275.33 is: 30,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,370.59 : 72,481.91 = 20,275.33 : x
  2. Step 2: Convert to fraction form
    48,370.59/72,481.91 = 20,275.33/x
  3. Step 3: Cross multiply
    48,370.59x = 72,481.91 × 20,275.33
  4. Step 4: Simplify right side
    48,370.59x = 1,469,594,644.28
  5. Step 5: Solve for x
    x = 1,469,594,644.28/48,370.59
  6. Step 6: Final answer
    x = 30,381.99

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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.