Home / 43,236.26-64,849.53-11,648.66

Finding the Fourth Proportional to 43,236.26, 64,849.53 and 11,648.66

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Solution

The fourth proportional to 43,236.26, 64,849.53 and 11,648.66 is: 17,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,236.26 : 64,849.53 = 11,648.66 : x
  2. Step 2: Convert to fraction form
    43,236.26/64,849.53 = 11,648.66/x
  3. Step 3: Cross multiply
    43,236.26x = 64,849.53 × 11,648.66
  4. Step 4: Simplify right side
    43,236.26x = 755,410,288.25
  5. Step 5: Solve for x
    x = 755,410,288.25/43,236.26
  6. Step 6: Final answer
    x = 17,471.68

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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.