Home / 49,132.80-67,795.20-30,268.80

Finding the Fourth Proportional to 49,132.80, 67,795.20 and 30,268.80

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Solution

The fourth proportional to 49,132.80, 67,795.20 and 30,268.80 is: 41,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,132.80 : 67,795.20 = 30,268.80 : x
  2. Step 2: Convert to fraction form
    49,132.80/67,795.20 = 30,268.80/x
  3. Step 3: Cross multiply
    49,132.80x = 67,795.20 × 30,268.80
  4. Step 4: Simplify right side
    49,132.80x = 2,052,079,349.76
  5. Step 5: Solve for x
    x = 2,052,079,349.76/49,132.80
  6. Step 6: Final answer
    x = 41,765.98

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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.