Home / 49,379.20-74,016.96-35,520.64

Finding the Fourth Proportional to 49,379.20, 74,016.96 and 35,520.64

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Solution

The fourth proportional to 49,379.20, 74,016.96 and 35,520.64 is: 53,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379.20 : 74,016.96 = 35,520.64 : x
  2. Step 2: Convert to fraction form
    49,379.20/74,016.96 = 35,520.64/x
  3. Step 3: Cross multiply
    49,379.20x = 74,016.96 × 35,520.64
  4. Step 4: Simplify right side
    49,379.20x = 2,629,129,790.05
  5. Step 5: Solve for x
    x = 2,629,129,790.05/49,379.20
  6. Step 6: Final answer
    x = 53,243.67

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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.