Home / 54,286.95-81,438.15-16,850.25

Finding the Fourth Proportional to 54,286.95, 81,438.15 and 16,850.25

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Solution

The fourth proportional to 54,286.95, 81,438.15 and 16,850.25 is: 25,277.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.95 : 81,438.15 = 16,850.25 : x
  2. Step 2: Convert to fraction form
    54,286.95/81,438.15 = 16,850.25/x
  3. Step 3: Cross multiply
    54,286.95x = 81,438.15 × 16,850.25
  4. Step 4: Simplify right side
    54,286.95x = 1,372,253,187.04
  5. Step 5: Solve for x
    x = 1,372,253,187.04/54,286.95
  6. Step 6: Final answer
    x = 25,277.77

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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.