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Finding the Fourth Proportional to 67,012.46, 100,522.15 and 17,092.99

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Solution

The fourth proportional to 67,012.46, 100,522.15 and 17,092.99 is: 25,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.46 : 100,522.15 = 17,092.99 : x
  2. Step 2: Convert to fraction form
    67,012.46/100,522.15 = 17,092.99/x
  3. Step 3: Cross multiply
    67,012.46x = 100,522.15 × 17,092.99
  4. Step 4: Simplify right side
    67,012.46x = 1,718,224,187.65
  5. Step 5: Solve for x
    x = 1,718,224,187.65/67,012.46
  6. Step 6: Final answer
    x = 25,640.37

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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.