Home / 49,828.20-68,731.44-29,670

Finding the Fourth Proportional to 49,828.20, 68,731.44 and 29,670

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Solution

The fourth proportional to 49,828.20, 68,731.44 and 29,670 is: 40,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,828.20 : 68,731.44 = 29,670 : x
  2. Step 2: Convert to fraction form
    49,828.20/68,731.44 = 29,670/x
  3. Step 3: Cross multiply
    49,828.20x = 68,731.44 × 29,670
  4. Step 4: Simplify right side
    49,828.20x = 2,039,261,824.80
  5. Step 5: Solve for x
    x = 2,039,261,824.80/49,828.20
  6. Step 6: Final answer
    x = 40,925.86

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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.