Home / 82,469.40-123,684.30-23,310.60

Finding the Fourth Proportional to 82,469.40, 123,684.30 and 23,310.60

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Solution

The fourth proportional to 82,469.40, 123,684.30 and 23,310.60 is: 34,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,469.40 : 123,684.30 = 23,310.60 : x
  2. Step 2: Convert to fraction form
    82,469.40/123,684.30 = 23,310.60/x
  3. Step 3: Cross multiply
    82,469.40x = 123,684.30 × 23,310.60
  4. Step 4: Simplify right side
    82,469.40x = 2,883,155,243.58
  5. Step 5: Solve for x
    x = 2,883,155,243.58/82,469.40
  6. Step 6: Final answer
    x = 34,960.30

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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.