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Finding the Fourth Proportional to 48,893.22, 73,290.60 and 19,299.60

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Solution

The fourth proportional to 48,893.22, 73,290.60 and 19,299.60 is: 28,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,893.22 : 73,290.60 = 19,299.60 : x
  2. Step 2: Convert to fraction form
    48,893.22/73,290.60 = 19,299.60/x
  3. Step 3: Cross multiply
    48,893.22x = 73,290.60 × 19,299.60
  4. Step 4: Simplify right side
    48,893.22x = 1,414,479,263.76
  5. Step 5: Solve for x
    x = 1,414,479,263.76/48,893.22
  6. Step 6: Final answer
    x = 28,929.97

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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.