Home / 35,856.20-49,481.61-19,940.65

Finding the Fourth Proportional to 35,856.20, 49,481.61 and 19,940.65

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Solution

The fourth proportional to 35,856.20, 49,481.61 and 19,940.65 is: 27,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856.20 : 49,481.61 = 19,940.65 : x
  2. Step 2: Convert to fraction form
    35,856.20/49,481.61 = 19,940.65/x
  3. Step 3: Cross multiply
    35,856.20x = 49,481.61 × 19,940.65
  4. Step 4: Simplify right side
    35,856.20x = 986,695,644.44
  5. Step 5: Solve for x
    x = 986,695,644.44/35,856.20
  6. Step 6: Final answer
    x = 27,518.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.