Home / 69,433.20-95,817.87-39,218.58

Finding the Fourth Proportional to 69,433.20, 95,817.87 and 39,218.58

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Solution

The fourth proportional to 69,433.20, 95,817.87 and 39,218.58 is: 54,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,433.20 : 95,817.87 = 39,218.58 : x
  2. Step 2: Convert to fraction form
    69,433.20/95,817.87 = 39,218.58/x
  3. Step 3: Cross multiply
    69,433.20x = 95,817.87 × 39,218.58
  4. Step 4: Simplify right side
    69,433.20x = 3,757,840,800.02
  5. Step 5: Solve for x
    x = 3,757,840,800.02/69,433.20
  6. Step 6: Final answer
    x = 54,121.67

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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.