Home / 54,254.32-81,394.17-16,812.43

Finding the Fourth Proportional to 54,254.32, 81,394.17 and 16,812.43

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Solution

The fourth proportional to 54,254.32, 81,394.17 and 16,812.43 is: 25,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,254.32 : 81,394.17 = 16,812.43 : x
  2. Step 2: Convert to fraction form
    54,254.32/81,394.17 = 16,812.43/x
  3. Step 3: Cross multiply
    54,254.32x = 81,394.17 × 16,812.43
  4. Step 4: Simplify right side
    54,254.32x = 1,368,433,785.53
  5. Step 5: Solve for x
    x = 1,368,433,785.53/54,254.32
  6. Step 6: Final answer
    x = 25,222.58

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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.