Home / 48,433.28-72,600.96-18,832.64

Finding the Fourth Proportional to 48,433.28, 72,600.96 and 18,832.64

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Solution

The fourth proportional to 48,433.28, 72,600.96 and 18,832.64 is: 28,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,433.28 : 72,600.96 = 18,832.64 : x
  2. Step 2: Convert to fraction form
    48,433.28/72,600.96 = 18,832.64/x
  3. Step 3: Cross multiply
    48,433.28x = 72,600.96 × 18,832.64
  4. Step 4: Simplify right side
    48,433.28x = 1,367,267,743.33
  5. Step 5: Solve for x
    x = 1,367,267,743.33/48,433.28
  6. Step 6: Final answer
    x = 28,229.92

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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.