Home / 82,016.42-122,989.86-25,841.43

Finding the Fourth Proportional to 82,016.42, 122,989.86 and 25,841.43

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Solution

The fourth proportional to 82,016.42, 122,989.86 and 25,841.43 is: 38,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,016.42 : 122,989.86 = 25,841.43 : x
  2. Step 2: Convert to fraction form
    82,016.42/122,989.86 = 25,841.43/x
  3. Step 3: Cross multiply
    82,016.42x = 122,989.86 × 25,841.43
  4. Step 4: Simplify right side
    82,016.42x = 3,178,233,857.90
  5. Step 5: Solve for x
    x = 3,178,233,857.90/82,016.42
  6. Step 6: Final answer
    x = 38,751.19

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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.