Home / 54,216.60-81,327.18-19,156.44

Finding the Fourth Proportional to 54,216.60, 81,327.18 and 19,156.44

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Solution

The fourth proportional to 54,216.60, 81,327.18 and 19,156.44 is: 28,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.60 : 81,327.18 = 19,156.44 : x
  2. Step 2: Convert to fraction form
    54,216.60/81,327.18 = 19,156.44/x
  3. Step 3: Cross multiply
    54,216.60x = 81,327.18 × 19,156.44
  4. Step 4: Simplify right side
    54,216.60x = 1,557,939,244.04
  5. Step 5: Solve for x
    x = 1,557,939,244.04/54,216.60
  6. Step 6: Final answer
    x = 28,735.47

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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.