Home / 43,494.20-65,231.22-21,285.26

Finding the Fourth Proportional to 43,494.20, 65,231.22 and 21,285.26

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Solution

The fourth proportional to 43,494.20, 65,231.22 and 21,285.26 is: 31,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494.20 : 65,231.22 = 21,285.26 : x
  2. Step 2: Convert to fraction form
    43,494.20/65,231.22 = 21,285.26/x
  3. Step 3: Cross multiply
    43,494.20x = 65,231.22 × 21,285.26
  4. Step 4: Simplify right side
    43,494.20x = 1,388,463,477.82
  5. Step 5: Solve for x
    x = 1,388,463,477.82/43,494.20
  6. Step 6: Final answer
    x = 31,922.96

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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.