Home / 30,116.55-41,561.19-16,687.97

Finding the Fourth Proportional to 30,116.55, 41,561.19 and 16,687.97

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Solution

The fourth proportional to 30,116.55, 41,561.19 and 16,687.97 is: 23,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.55 : 41,561.19 = 16,687.97 : x
  2. Step 2: Convert to fraction form
    30,116.55/41,561.19 = 16,687.97/x
  3. Step 3: Cross multiply
    30,116.55x = 41,561.19 × 16,687.97
  4. Step 4: Simplify right side
    30,116.55x = 693,571,684.08
  5. Step 5: Solve for x
    x = 693,571,684.08/30,116.55
  6. Step 6: Final answer
    x = 23,029.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.