Home / 43,922.24-65,863.20-18,950.32

Finding the Fourth Proportional to 43,922.24, 65,863.20 and 18,950.32

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Solution

The fourth proportional to 43,922.24, 65,863.20 and 18,950.32 is: 28,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,922.24 : 65,863.20 = 18,950.32 : x
  2. Step 2: Convert to fraction form
    43,922.24/65,863.20 = 18,950.32/x
  3. Step 3: Cross multiply
    43,922.24x = 65,863.20 × 18,950.32
  4. Step 4: Simplify right side
    43,922.24x = 1,248,128,716.22
  5. Step 5: Solve for x
    x = 1,248,128,716.22/43,922.24
  6. Step 6: Final answer
    x = 28,416.78

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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.