Home / 48,838.36-67,375.62-28,659.64

Finding the Fourth Proportional to 48,838.36, 67,375.62 and 28,659.64

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Solution

The fourth proportional to 48,838.36, 67,375.62 and 28,659.64 is: 39,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,838.36 : 67,375.62 = 28,659.64 : x
  2. Step 2: Convert to fraction form
    48,838.36/67,375.62 = 28,659.64/x
  3. Step 3: Cross multiply
    48,838.36x = 67,375.62 × 28,659.64
  4. Step 4: Simplify right side
    48,838.36x = 1,930,961,013.98
  5. Step 5: Solve for x
    x = 1,930,961,013.98/48,838.36
  6. Step 6: Final answer
    x = 39,537.79

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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.