Home / 69,431.26-95,814.38-39,216.64

Finding the Fourth Proportional to 69,431.26, 95,814.38 and 39,216.64

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Solution

The fourth proportional to 69,431.26, 95,814.38 and 39,216.64 is: 54,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,431.26 : 95,814.38 = 39,216.64 : x
  2. Step 2: Convert to fraction form
    69,431.26/95,814.38 = 39,216.64/x
  3. Step 3: Cross multiply
    69,431.26x = 95,814.38 × 39,216.64
  4. Step 4: Simplify right side
    69,431.26x = 3,757,518,047.28
  5. Step 5: Solve for x
    x = 3,757,518,047.28/69,431.26
  6. Step 6: Final answer
    x = 54,118.53

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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.