Home / 48,819.33-67,366.49-28,405.17

Finding the Fourth Proportional to 48,819.33, 67,366.49 and 28,405.17

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Solution

The fourth proportional to 48,819.33, 67,366.49 and 28,405.17 is: 39,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,819.33 : 67,366.49 = 28,405.17 : x
  2. Step 2: Convert to fraction form
    48,819.33/67,366.49 = 28,405.17/x
  3. Step 3: Cross multiply
    48,819.33x = 67,366.49 × 28,405.17
  4. Step 4: Simplify right side
    48,819.33x = 1,913,556,458.73
  5. Step 5: Solve for x
    x = 1,913,556,458.73/48,819.33
  6. Step 6: Final answer
    x = 39,196.70

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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.