Home / 45,286.16-67,893.66-28,611.09

Finding the Fourth Proportional to 45,286.16, 67,893.66 and 28,611.09

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Solution

The fourth proportional to 45,286.16, 67,893.66 and 28,611.09 is: 42,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.16 : 67,893.66 = 28,611.09 : x
  2. Step 2: Convert to fraction form
    45,286.16/67,893.66 = 28,611.09/x
  3. Step 3: Cross multiply
    45,286.16x = 67,893.66 × 28,611.09
  4. Step 4: Simplify right side
    45,286.16x = 1,942,511,616.69
  5. Step 5: Solve for x
    x = 1,942,511,616.69/45,286.16
  6. Step 6: Final answer
    x = 42,894.16

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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.