Home / 49,840.86-68,777.82-28,327.80

Finding the Fourth Proportional to 49,840.86, 68,777.82 and 28,327.80

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Solution

The fourth proportional to 49,840.86, 68,777.82 and 28,327.80 is: 39,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.86 : 68,777.82 = 28,327.80 : x
  2. Step 2: Convert to fraction form
    49,840.86/68,777.82 = 28,327.80/x
  3. Step 3: Cross multiply
    49,840.86x = 68,777.82 × 28,327.80
  4. Step 4: Simplify right side
    49,840.86x = 1,948,324,329.40
  5. Step 5: Solve for x
    x = 1,948,324,329.40/49,840.86
  6. Step 6: Final answer
    x = 39,090.91

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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.