Home / 43,464.56-65,147.10-18,467.96

Finding the Fourth Proportional to 43,464.56, 65,147.10 and 18,467.96

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Solution

The fourth proportional to 43,464.56, 65,147.10 and 18,467.96 is: 27,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,464.56 : 65,147.10 = 18,467.96 : x
  2. Step 2: Convert to fraction form
    43,464.56/65,147.10 = 18,467.96/x
  3. Step 3: Cross multiply
    43,464.56x = 65,147.10 × 18,467.96
  4. Step 4: Simplify right side
    43,464.56x = 1,203,134,036.92
  5. Step 5: Solve for x
    x = 1,203,134,036.92/43,464.56
  6. Step 6: Final answer
    x = 27,680.81

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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.