Home / 51,198.54-70,654.30-28,538.97

Finding the Fourth Proportional to 51,198.54, 70,654.30 and 28,538.97

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Solution

The fourth proportional to 51,198.54, 70,654.30 and 28,538.97 is: 39,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,198.54 : 70,654.30 = 28,538.97 : x
  2. Step 2: Convert to fraction form
    51,198.54/70,654.30 = 28,538.97/x
  3. Step 3: Cross multiply
    51,198.54x = 70,654.30 × 28,538.97
  4. Step 4: Simplify right side
    51,198.54x = 2,016,400,611.77
  5. Step 5: Solve for x
    x = 2,016,400,611.77/51,198.54
  6. Step 6: Final answer
    x = 39,383.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.