Home / 48,936.45-67,531.16-28,794.64

Finding the Fourth Proportional to 48,936.45, 67,531.16 and 28,794.64

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Solution

The fourth proportional to 48,936.45, 67,531.16 and 28,794.64 is: 39,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,936.45 : 67,531.16 = 28,794.64 : x
  2. Step 2: Convert to fraction form
    48,936.45/67,531.16 = 28,794.64/x
  3. Step 3: Cross multiply
    48,936.45x = 67,531.16 × 28,794.64
  4. Step 4: Simplify right side
    48,936.45x = 1,944,535,128.18
  5. Step 5: Solve for x
    x = 1,944,535,128.18/48,936.45
  6. Step 6: Final answer
    x = 39,735.93

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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.