Home / 54,134.35-81,164.57-28,837.64

Finding the Fourth Proportional to 54,134.35, 81,164.57 and 28,837.64

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Solution

The fourth proportional to 54,134.35, 81,164.57 and 28,837.64 is: 43,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,134.35 : 81,164.57 = 28,837.64 : x
  2. Step 2: Convert to fraction form
    54,134.35/81,164.57 = 28,837.64/x
  3. Step 3: Cross multiply
    54,134.35x = 81,164.57 × 28,837.64
  4. Step 4: Simplify right side
    54,134.35x = 2,340,594,709.14
  5. Step 5: Solve for x
    x = 2,340,594,709.14/54,134.35
  6. Step 6: Final answer
    x = 43,236.78

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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.