Home / 49,891.14-74,771.91-20,274.50

Finding the Fourth Proportional to 49,891.14, 74,771.91 and 20,274.50

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Solution

The fourth proportional to 49,891.14, 74,771.91 and 20,274.50 is: 30,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,891.14 : 74,771.91 = 20,274.50 : x
  2. Step 2: Convert to fraction form
    49,891.14/74,771.91 = 20,274.50/x
  3. Step 3: Cross multiply
    49,891.14x = 74,771.91 × 20,274.50
  4. Step 4: Simplify right side
    49,891.14x = 1,515,963,276.22
  5. Step 5: Solve for x
    x = 1,515,963,276.22/49,891.14
  6. Step 6: Final answer
    x = 30,385.42

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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.