Home / 32,361.28-44,660.16-18,215.68

Finding the Fourth Proportional to 32,361.28, 44,660.16 and 18,215.68

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Solution

The fourth proportional to 32,361.28, 44,660.16 and 18,215.68 is: 25,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,361.28 : 44,660.16 = 18,215.68 : x
  2. Step 2: Convert to fraction form
    32,361.28/44,660.16 = 18,215.68/x
  3. Step 3: Cross multiply
    32,361.28x = 44,660.16 × 18,215.68
  4. Step 4: Simplify right side
    32,361.28x = 813,515,183.31
  5. Step 5: Solve for x
    x = 813,515,183.31/32,361.28
  6. Step 6: Final answer
    x = 25,138.54

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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.