Home / 54,558.60-81,839.48-21,277.32

Finding the Fourth Proportional to 54,558.60, 81,839.48 and 21,277.32

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Solution

The fourth proportional to 54,558.60, 81,839.48 and 21,277.32 is: 31,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.60 : 81,839.48 = 21,277.32 : x
  2. Step 2: Convert to fraction form
    54,558.60/81,839.48 = 21,277.32/x
  3. Step 3: Cross multiply
    54,558.60x = 81,839.48 × 21,277.32
  4. Step 4: Simplify right side
    54,558.60x = 1,741,324,804.59
  5. Step 5: Solve for x
    x = 1,741,324,804.59/54,558.60
  6. Step 6: Final answer
    x = 31,916.60

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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.