Home / 49,974.93-74,986.83-21,891.15

Finding the Fourth Proportional to 49,974.93, 74,986.83 and 21,891.15

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Solution

The fourth proportional to 49,974.93, 74,986.83 and 21,891.15 is: 32,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,974.93 : 74,986.83 = 21,891.15 : x
  2. Step 2: Convert to fraction form
    49,974.93/74,986.83 = 21,891.15/x
  3. Step 3: Cross multiply
    49,974.93x = 74,986.83 × 21,891.15
  4. Step 4: Simplify right side
    49,974.93x = 1,641,547,943.55
  5. Step 5: Solve for x
    x = 1,641,547,943.55/49,974.93
  6. Step 6: Final answer
    x = 32,847.43

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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.