Home / 48,508.54-72,735.37-18,892.31

Finding the Fourth Proportional to 48,508.54, 72,735.37 and 18,892.31

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Solution

The fourth proportional to 48,508.54, 72,735.37 and 18,892.31 is: 28,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,508.54 : 72,735.37 = 18,892.31 : x
  2. Step 2: Convert to fraction form
    48,508.54/72,735.37 = 18,892.31/x
  3. Step 3: Cross multiply
    48,508.54x = 72,735.37 × 18,892.31
  4. Step 4: Simplify right side
    48,508.54x = 1,374,138,747.10
  5. Step 5: Solve for x
    x = 1,374,138,747.10/48,508.54
  6. Step 6: Final answer
    x = 28,327.77

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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.