Home / 49,798.20-68,690.10-29,640.03

Finding the Fourth Proportional to 49,798.20, 68,690.10 and 29,640.03

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Solution

The fourth proportional to 49,798.20, 68,690.10 and 29,640.03 is: 40,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,798.20 : 68,690.10 = 29,640.03 : x
  2. Step 2: Convert to fraction form
    49,798.20/68,690.10 = 29,640.03/x
  3. Step 3: Cross multiply
    49,798.20x = 68,690.10 × 29,640.03
  4. Step 4: Simplify right side
    49,798.20x = 2,035,976,624.70
  5. Step 5: Solve for x
    x = 2,035,976,624.70/49,798.20
  6. Step 6: Final answer
    x = 40,884.54

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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.