Home / 54,201.87-81,282.60-18,653.25

Finding the Fourth Proportional to 54,201.87, 81,282.60 and 18,653.25

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Solution

The fourth proportional to 54,201.87, 81,282.60 and 18,653.25 is: 27,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,201.87 : 81,282.60 = 18,653.25 : x
  2. Step 2: Convert to fraction form
    54,201.87/81,282.60 = 18,653.25/x
  3. Step 3: Cross multiply
    54,201.87x = 81,282.60 × 18,653.25
  4. Step 4: Simplify right side
    54,201.87x = 1,516,184,963.26
  5. Step 5: Solve for x
    x = 1,516,184,963.26/54,201.87
  6. Step 6: Final answer
    x = 27,972.93

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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.