Home / 49,377.90-68,137.11-29,235.42

Finding the Fourth Proportional to 49,377.90, 68,137.11 and 29,235.42

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Solution

The fourth proportional to 49,377.90, 68,137.11 and 29,235.42 is: 40,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,377.90 : 68,137.11 = 29,235.42 : x
  2. Step 2: Convert to fraction form
    49,377.90/68,137.11 = 29,235.42/x
  3. Step 3: Cross multiply
    49,377.90x = 68,137.11 × 29,235.42
  4. Step 4: Simplify right side
    49,377.90x = 1,992,017,028.44
  5. Step 5: Solve for x
    x = 1,992,017,028.44/49,377.90
  6. Step 6: Final answer
    x = 40,342.28

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1.5x scale

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.