Home / 82,280.82-123,425.46-23,121.11

Finding the Fourth Proportional to 82,280.82, 123,425.46 and 23,121.11

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Solution

The fourth proportional to 82,280.82, 123,425.46 and 23,121.11 is: 34,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,280.82 : 123,425.46 = 23,121.11 : x
  2. Step 2: Convert to fraction form
    82,280.82/123,425.46 = 23,121.11/x
  3. Step 3: Cross multiply
    82,280.82x = 123,425.46 × 23,121.11
  4. Step 4: Simplify right side
    82,280.82x = 2,853,733,637.46
  5. Step 5: Solve for x
    x = 2,853,733,637.46/82,280.82
  6. Step 6: Final answer
    x = 34,682.85

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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.