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Finding the Fourth Proportional to 53,672.40, 80,508.60 and 18,600.40

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Solution

The fourth proportional to 53,672.40, 80,508.60 and 18,600.40 is: 27,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672.40 : 80,508.60 = 18,600.40 : x
  2. Step 2: Convert to fraction form
    53,672.40/80,508.60 = 18,600.40/x
  3. Step 3: Cross multiply
    53,672.40x = 80,508.60 × 18,600.40
  4. Step 4: Simplify right side
    53,672.40x = 1,497,492,163.44
  5. Step 5: Solve for x
    x = 1,497,492,163.44/53,672.40
  6. Step 6: Final answer
    x = 27,900.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.