Home / 51,841.44-77,730.84-21,819.60

Finding the Fourth Proportional to 51,841.44, 77,730.84 and 21,819.60

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Solution

The fourth proportional to 51,841.44, 77,730.84 and 21,819.60 is: 32,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,841.44 : 77,730.84 = 21,819.60 : x
  2. Step 2: Convert to fraction form
    51,841.44/77,730.84 = 21,819.60/x
  3. Step 3: Cross multiply
    51,841.44x = 77,730.84 × 21,819.60
  4. Step 4: Simplify right side
    51,841.44x = 1,696,055,836.46
  5. Step 5: Solve for x
    x = 1,696,055,836.46/51,841.44
  6. Step 6: Final answer
    x = 32,716.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.