Home / 49,546.49-74,336.13-19,989.18

Finding the Fourth Proportional to 49,546.49, 74,336.13 and 19,989.18

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Solution

The fourth proportional to 49,546.49, 74,336.13 and 19,989.18 is: 29,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,546.49 : 74,336.13 = 19,989.18 : x
  2. Step 2: Convert to fraction form
    49,546.49/74,336.13 = 19,989.18/x
  3. Step 3: Cross multiply
    49,546.49x = 74,336.13 × 19,989.18
  4. Step 4: Simplify right side
    49,546.49x = 1,485,918,283.07
  5. Step 5: Solve for x
    x = 1,485,918,283.07/49,546.49
  6. Step 6: Final answer
    x = 29,990.39

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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.