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Finding the Fourth Proportional to 54,652.08, 81,978.60 and 15,212.40

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Solution

The fourth proportional to 54,652.08, 81,978.60 and 15,212.40 is: 22,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652.08 : 81,978.60 = 15,212.40 : x
  2. Step 2: Convert to fraction form
    54,652.08/81,978.60 = 15,212.40/x
  3. Step 3: Cross multiply
    54,652.08x = 81,978.60 × 15,212.40
  4. Step 4: Simplify right side
    54,652.08x = 1,247,091,254.64
  5. Step 5: Solve for x
    x = 1,247,091,254.64/54,652.08
  6. Step 6: Final answer
    x = 22,818.73

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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.