Home / 49,880.26-68,778.94-40,777.21

Finding the Fourth Proportional to 49,880.26, 68,778.94 and 40,777.21

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Solution

The fourth proportional to 49,880.26, 68,778.94 and 40,777.21 is: 56,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,880.26 : 68,778.94 = 40,777.21 : x
  2. Step 2: Convert to fraction form
    49,880.26/68,778.94 = 40,777.21/x
  3. Step 3: Cross multiply
    49,880.26x = 68,778.94 × 40,777.21
  4. Step 4: Simplify right side
    49,880.26x = 2,804,612,732.18
  5. Step 5: Solve for x
    x = 2,804,612,732.18/49,880.26
  6. Step 6: Final answer
    x = 56,226.91

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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.