Home / 49,449.47-74,172.96-14,389.43

Finding the Fourth Proportional to 49,449.47, 74,172.96 and 14,389.43

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Solution

The fourth proportional to 49,449.47, 74,172.96 and 14,389.43 is: 21,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449.47 : 74,172.96 = 14,389.43 : x
  2. Step 2: Convert to fraction form
    49,449.47/74,172.96 = 14,389.43/x
  3. Step 3: Cross multiply
    49,449.47x = 74,172.96 × 14,389.43
  4. Step 4: Simplify right side
    49,449.47x = 1,067,306,244.95
  5. Step 5: Solve for x
    x = 1,067,306,244.95/49,449.47
  6. Step 6: Final answer
    x = 21,583.78

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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.