Home / 54,635.31-81,953.10-15,192.43

Finding the Fourth Proportional to 54,635.31, 81,953.10 and 15,192.43

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Solution

The fourth proportional to 54,635.31, 81,953.10 and 15,192.43 is: 22,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.31 : 81,953.10 = 15,192.43 : x
  2. Step 2: Convert to fraction form
    54,635.31/81,953.10 = 15,192.43/x
  3. Step 3: Cross multiply
    54,635.31x = 81,953.10 × 15,192.43
  4. Step 4: Simplify right side
    54,635.31x = 1,245,066,530.15
  5. Step 5: Solve for x
    x = 1,245,066,530.15/54,635.31
  6. Step 6: Final answer
    x = 22,788.68

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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.