Home / 52,286.46-78,429.01-12,843.92

Finding the Fourth Proportional to 52,286.46, 78,429.01 and 12,843.92

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Solution

The fourth proportional to 52,286.46, 78,429.01 and 12,843.92 is: 19,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.46 : 78,429.01 = 12,843.92 : x
  2. Step 2: Convert to fraction form
    52,286.46/78,429.01 = 12,843.92/x
  3. Step 3: Cross multiply
    52,286.46x = 78,429.01 × 12,843.92
  4. Step 4: Simplify right side
    52,286.46x = 1,007,335,677.00
  5. Step 5: Solve for x
    x = 1,007,335,677.00/52,286.46
  6. Step 6: Final answer
    x = 19,265.71

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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.