Home / 49,871.91-68,829.84-31,724.31

Finding the Fourth Proportional to 49,871.91, 68,829.84 and 31,724.31

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Solution

The fourth proportional to 49,871.91, 68,829.84 and 31,724.31 is: 43,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.91 : 68,829.84 = 31,724.31 : x
  2. Step 2: Convert to fraction form
    49,871.91/68,829.84 = 31,724.31/x
  3. Step 3: Cross multiply
    49,871.91x = 68,829.84 × 31,724.31
  4. Step 4: Simplify right side
    49,871.91x = 2,183,579,181.41
  5. Step 5: Solve for x
    x = 2,183,579,181.41/49,871.91
  6. Step 6: Final answer
    x = 43,783.75

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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.