Home / 49,649.80-68,450.90-41,120.50

Finding the Fourth Proportional to 49,649.80, 68,450.90 and 41,120.50

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Solution

The fourth proportional to 49,649.80, 68,450.90 and 41,120.50 is: 56,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.80 : 68,450.90 = 41,120.50 : x
  2. Step 2: Convert to fraction form
    49,649.80/68,450.90 = 41,120.50/x
  3. Step 3: Cross multiply
    49,649.80x = 68,450.90 × 41,120.50
  4. Step 4: Simplify right side
    49,649.80x = 2,814,735,233.45
  5. Step 5: Solve for x
    x = 2,814,735,233.45/49,649.80
  6. Step 6: Final answer
    x = 56,691.77

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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.