Home / 54,286.94-81,431.42-16,848.23

Finding the Fourth Proportional to 54,286.94, 81,431.42 and 16,848.23

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Solution

The fourth proportional to 54,286.94, 81,431.42 and 16,848.23 is: 25,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.94 : 81,431.42 = 16,848.23 : x
  2. Step 2: Convert to fraction form
    54,286.94/81,431.42 = 16,848.23/x
  3. Step 3: Cross multiply
    54,286.94x = 81,431.42 × 16,848.23
  4. Step 4: Simplify right side
    54,286.94x = 1,371,974,801.99
  5. Step 5: Solve for x
    x = 1,371,974,801.99/54,286.94
  6. Step 6: Final answer
    x = 25,272.65

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1.5x scale

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.