Home / 69,613.44-96,043.68-39,395.76

Finding the Fourth Proportional to 69,613.44, 96,043.68 and 39,395.76

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Solution

The fourth proportional to 69,613.44, 96,043.68 and 39,395.76 is: 54,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,613.44 : 96,043.68 = 39,395.76 : x
  2. Step 2: Convert to fraction form
    69,613.44/96,043.68 = 39,395.76/x
  3. Step 3: Cross multiply
    69,613.44x = 96,043.68 × 39,395.76
  4. Step 4: Simplify right side
    69,613.44x = 3,783,713,766.80
  5. Step 5: Solve for x
    x = 3,783,713,766.80/69,613.44
  6. Step 6: Final answer
    x = 54,353.21

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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.