Home / 29,163.15-40,245.91-16,416.80

Finding the Fourth Proportional to 29,163.15, 40,245.91 and 16,416.80

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Solution

The fourth proportional to 29,163.15, 40,245.91 and 16,416.80 is: 22,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,163.15 : 40,245.91 = 16,416.80 : x
  2. Step 2: Convert to fraction form
    29,163.15/40,245.91 = 16,416.80/x
  3. Step 3: Cross multiply
    29,163.15x = 40,245.91 × 16,416.80
  4. Step 4: Simplify right side
    29,163.15x = 660,708,963.94
  5. Step 5: Solve for x
    x = 660,708,963.94/29,163.15
  6. Step 6: Final answer
    x = 22,655.61

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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.