Home / 43,568.46-65,361.20-13,984.02

Finding the Fourth Proportional to 43,568.46, 65,361.20 and 13,984.02

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Solution

The fourth proportional to 43,568.46, 65,361.20 and 13,984.02 is: 20,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.46 : 65,361.20 = 13,984.02 : x
  2. Step 2: Convert to fraction form
    43,568.46/65,361.20 = 13,984.02/x
  3. Step 3: Cross multiply
    43,568.46x = 65,361.20 × 13,984.02
  4. Step 4: Simplify right side
    43,568.46x = 914,012,328.02
  5. Step 5: Solve for x
    x = 914,012,328.02/43,568.46
  6. Step 6: Final answer
    x = 20,978.76

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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.