Home / 51,377.14-70,891.23-28,716.58

Finding the Fourth Proportional to 51,377.14, 70,891.23 and 28,716.58

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Solution

The fourth proportional to 51,377.14, 70,891.23 and 28,716.58 is: 39,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.14 : 70,891.23 = 28,716.58 : x
  2. Step 2: Convert to fraction form
    51,377.14/70,891.23 = 28,716.58/x
  3. Step 3: Cross multiply
    51,377.14x = 70,891.23 × 28,716.58
  4. Step 4: Simplify right side
    51,377.14x = 2,035,753,677.59
  5. Step 5: Solve for x
    x = 2,035,753,677.59/51,377.14
  6. Step 6: Final answer
    x = 39,623.73

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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.