Home / 43,500.50-65,259.78-16,845.80

Finding the Fourth Proportional to 43,500.50, 65,259.78 and 16,845.80

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Solution

The fourth proportional to 43,500.50, 65,259.78 and 16,845.80 is: 25,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,500.50 : 65,259.78 = 16,845.80 : x
  2. Step 2: Convert to fraction form
    43,500.50/65,259.78 = 16,845.80/x
  3. Step 3: Cross multiply
    43,500.50x = 65,259.78 × 16,845.80
  4. Step 4: Simplify right side
    43,500.50x = 1,099,353,201.92
  5. Step 5: Solve for x
    x = 1,099,353,201.92/43,500.50
  6. Step 6: Final answer
    x = 25,272.20

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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.