Home / 49,901.14-74,786.88-20,284.48

Finding the Fourth Proportional to 49,901.14, 74,786.88 and 20,284.48

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Solution

The fourth proportional to 49,901.14, 74,786.88 and 20,284.48 is: 30,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,901.14 : 74,786.88 = 20,284.48 : x
  2. Step 2: Convert to fraction form
    49,901.14/74,786.88 = 20,284.48/x
  3. Step 3: Cross multiply
    49,901.14x = 74,786.88 × 20,284.48
  4. Step 4: Simplify right side
    49,901.14x = 1,517,012,971.62
  5. Step 5: Solve for x
    x = 1,517,012,971.62/49,901.14
  6. Step 6: Final answer
    x = 30,400.37

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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.