Home / 43,392.55-65,063.53-21,183.43

Finding the Fourth Proportional to 43,392.55, 65,063.53 and 21,183.43

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Solution

The fourth proportional to 43,392.55, 65,063.53 and 21,183.43 is: 31,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392.55 : 65,063.53 = 21,183.43 : x
  2. Step 2: Convert to fraction form
    43,392.55/65,063.53 = 21,183.43/x
  3. Step 3: Cross multiply
    43,392.55x = 65,063.53 × 21,183.43
  4. Step 4: Simplify right side
    43,392.55x = 1,378,268,355.03
  5. Step 5: Solve for x
    x = 1,378,268,355.03/43,392.55
  6. Step 6: Final answer
    x = 31,762.79

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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.