Home / 30,137.66-41,586.11-16,708.78

Finding the Fourth Proportional to 30,137.66, 41,586.11 and 16,708.78

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Solution

The fourth proportional to 30,137.66, 41,586.11 and 16,708.78 is: 23,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.66 : 41,586.11 = 16,708.78 : x
  2. Step 2: Convert to fraction form
    30,137.66/41,586.11 = 16,708.78/x
  3. Step 3: Cross multiply
    30,137.66x = 41,586.11 × 16,708.78
  4. Step 4: Simplify right side
    30,137.66x = 694,853,163.05
  5. Step 5: Solve for x
    x = 694,853,163.05/30,137.66
  6. Step 6: Final answer
    x = 23,055.98

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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.