Home / 69,431.85-95,832.72-40,757.85

Finding the Fourth Proportional to 69,431.85, 95,832.72 and 40,757.85

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Solution

The fourth proportional to 69,431.85, 95,832.72 and 40,757.85 is: 56,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,431.85 : 95,832.72 = 40,757.85 : x
  2. Step 2: Convert to fraction form
    69,431.85/95,832.72 = 40,757.85/x
  3. Step 3: Cross multiply
    69,431.85x = 95,832.72 × 40,757.85
  4. Step 4: Simplify right side
    69,431.85x = 3,905,935,626.85
  5. Step 5: Solve for x
    x = 3,905,935,626.85/69,431.85
  6. Step 6: Final answer
    x = 56,255.68

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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.