Home / 43,609.60-65,491.20-33,772.80

Finding the Fourth Proportional to 43,609.60, 65,491.20 and 33,772.80

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Solution

The fourth proportional to 43,609.60, 65,491.20 and 33,772.80 is: 50,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,609.60 : 65,491.20 = 33,772.80 : x
  2. Step 2: Convert to fraction form
    43,609.60/65,491.20 = 33,772.80/x
  3. Step 3: Cross multiply
    43,609.60x = 65,491.20 × 33,772.80
  4. Step 4: Simplify right side
    43,609.60x = 2,211,821,199.36
  5. Step 5: Solve for x
    x = 2,211,821,199.36/43,609.60
  6. Step 6: Final answer
    x = 50,718.68

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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.