Home / 57,724.26-86,613.78-39,982.20

Finding the Fourth Proportional to 57,724.26, 86,613.78 and 39,982.20

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Solution

The fourth proportional to 57,724.26, 86,613.78 and 39,982.20 is: 59,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.26 : 86,613.78 = 39,982.20 : x
  2. Step 2: Convert to fraction form
    57,724.26/86,613.78 = 39,982.20/x
  3. Step 3: Cross multiply
    57,724.26x = 86,613.78 × 39,982.20
  4. Step 4: Simplify right side
    57,724.26x = 3,463,009,474.72
  5. Step 5: Solve for x
    x = 3,463,009,474.72/57,724.26
  6. Step 6: Final answer
    x = 59,992.27

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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.