Home / 48,919.14-67,504.59-28,776.78

Finding the Fourth Proportional to 48,919.14, 67,504.59 and 28,776.78

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Solution

The fourth proportional to 48,919.14, 67,504.59 and 28,776.78 is: 39,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.14 : 67,504.59 = 28,776.78 : x
  2. Step 2: Convert to fraction form
    48,919.14/67,504.59 = 28,776.78/x
  3. Step 3: Cross multiply
    48,919.14x = 67,504.59 × 28,776.78
  4. Step 4: Simplify right side
    48,919.14x = 1,942,564,735.42
  5. Step 5: Solve for x
    x = 1,942,564,735.42/48,919.14
  6. Step 6: Final answer
    x = 39,709.71

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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.