Home / 49,691.61-68,574.09-28,185.54

Finding the Fourth Proportional to 49,691.61, 68,574.09 and 28,185.54

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Solution

The fourth proportional to 49,691.61, 68,574.09 and 28,185.54 is: 38,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.61 : 68,574.09 = 28,185.54 : x
  2. Step 2: Convert to fraction form
    49,691.61/68,574.09 = 28,185.54/x
  3. Step 3: Cross multiply
    49,691.61x = 68,574.09 × 28,185.54
  4. Step 4: Simplify right side
    49,691.61x = 1,932,797,615.73
  5. Step 5: Solve for x
    x = 1,932,797,615.73/49,691.61
  6. Step 6: Final answer
    x = 38,895.85

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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.