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Finding the Fourth Proportional to 48,893.78, 67,471.08 and 30,027.26

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Solution

The fourth proportional to 48,893.78, 67,471.08 and 30,027.26 is: 41,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,893.78 : 67,471.08 = 30,027.26 : x
  2. Step 2: Convert to fraction form
    48,893.78/67,471.08 = 30,027.26/x
  3. Step 3: Cross multiply
    48,893.78x = 67,471.08 × 30,027.26
  4. Step 4: Simplify right side
    48,893.78x = 2,025,971,633.60
  5. Step 5: Solve for x
    x = 2,025,971,633.60/48,893.78
  6. Step 6: Final answer
    x = 41,436.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.