Home / 43,850.43-65,775.24-18,908.10

Finding the Fourth Proportional to 43,850.43, 65,775.24 and 18,908.10

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Solution

The fourth proportional to 43,850.43, 65,775.24 and 18,908.10 is: 28,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.43 : 65,775.24 = 18,908.10 : x
  2. Step 2: Convert to fraction form
    43,850.43/65,775.24 = 18,908.10/x
  3. Step 3: Cross multiply
    43,850.43x = 65,775.24 × 18,908.10
  4. Step 4: Simplify right side
    43,850.43x = 1,243,684,815.44
  5. Step 5: Solve for x
    x = 1,243,684,815.44/43,850.43
  6. Step 6: Final answer
    x = 28,361.98

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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.