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Finding the Fourth Proportional to 48,843.70, 73,264.75 and 15,563.31

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Solution

The fourth proportional to 48,843.70, 73,264.75 and 15,563.31 is: 23,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,843.70 : 73,264.75 = 15,563.31 : x
  2. Step 2: Convert to fraction form
    48,843.70/73,264.75 = 15,563.31/x
  3. Step 3: Cross multiply
    48,843.70x = 73,264.75 × 15,563.31
  4. Step 4: Simplify right side
    48,843.70x = 1,140,242,408.39
  5. Step 5: Solve for x
    x = 1,140,242,408.39/48,843.70
  6. Step 6: Final answer
    x = 23,344.72

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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.