Home / 29,163.08-40,254.90-20,222.44

Finding the Fourth Proportional to 29,163.08, 40,254.90 and 20,222.44

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Solution

The fourth proportional to 29,163.08, 40,254.90 and 20,222.44 is: 27,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,163.08 : 40,254.90 = 20,222.44 : x
  2. Step 2: Convert to fraction form
    29,163.08/40,254.90 = 20,222.44/x
  3. Step 3: Cross multiply
    29,163.08x = 40,254.90 × 20,222.44
  4. Step 4: Simplify right side
    29,163.08x = 814,052,299.96
  5. Step 5: Solve for x
    x = 814,052,299.96/29,163.08
  6. Step 6: Final answer
    x = 27,913.80

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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.