Home / 54,629.64-81,749.39-39,654.09

Finding the Fourth Proportional to 54,629.64, 81,749.39 and 39,654.09

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Solution

The fourth proportional to 54,629.64, 81,749.39 and 39,654.09 is: 59,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.64 : 81,749.39 = 39,654.09 : x
  2. Step 2: Convert to fraction form
    54,629.64/81,749.39 = 39,654.09/x
  3. Step 3: Cross multiply
    54,629.64x = 81,749.39 × 39,654.09
  4. Step 4: Simplify right side
    54,629.64x = 3,241,697,470.23
  5. Step 5: Solve for x
    x = 3,241,697,470.23/54,629.64
  6. Step 6: Final answer
    x = 59,339.54

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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.