Home / 48,280.71-72,427.97-18,286.86

Finding the Fourth Proportional to 48,280.71, 72,427.97 and 18,286.86

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Solution

The fourth proportional to 48,280.71, 72,427.97 and 18,286.86 is: 27,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.71 : 72,427.97 = 18,286.86 : x
  2. Step 2: Convert to fraction form
    48,280.71/72,427.97 = 18,286.86/x
  3. Step 3: Cross multiply
    48,280.71x = 72,427.97 × 18,286.86
  4. Step 4: Simplify right side
    48,280.71x = 1,324,480,464.80
  5. Step 5: Solve for x
    x = 1,324,480,464.80/48,280.71
  6. Step 6: Final answer
    x = 27,432.91

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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.