Home / 49,861.20-74,662.20-39,406.80

Finding the Fourth Proportional to 49,861.20, 74,662.20 and 39,406.80

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Solution

The fourth proportional to 49,861.20, 74,662.20 and 39,406.80 is: 59,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,861.20 : 74,662.20 = 39,406.80 : x
  2. Step 2: Convert to fraction form
    49,861.20/74,662.20 = 39,406.80/x
  3. Step 3: Cross multiply
    49,861.20x = 74,662.20 × 39,406.80
  4. Step 4: Simplify right side
    49,861.20x = 2,942,198,382.96
  5. Step 5: Solve for x
    x = 2,942,198,382.96/49,861.20
  6. Step 6: Final answer
    x = 59,007.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.