Home / 49,015.74-67,629.93-28,871.04

Finding the Fourth Proportional to 49,015.74, 67,629.93 and 28,871.04

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Solution

The fourth proportional to 49,015.74, 67,629.93 and 28,871.04 is: 39,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,015.74 : 67,629.93 = 28,871.04 : x
  2. Step 2: Convert to fraction form
    49,015.74/67,629.93 = 28,871.04/x
  3. Step 3: Cross multiply
    49,015.74x = 67,629.93 × 28,871.04
  4. Step 4: Simplify right side
    49,015.74x = 1,952,546,414.23
  5. Step 5: Solve for x
    x = 1,952,546,414.23/49,015.74
  6. Step 6: Final answer
    x = 39,835.09

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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.