Home / 43,537.48-65,305.94-11,945.07

Finding the Fourth Proportional to 43,537.48, 65,305.94 and 11,945.07

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Solution

The fourth proportional to 43,537.48, 65,305.94 and 11,945.07 is: 17,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,537.48 : 65,305.94 = 11,945.07 : x
  2. Step 2: Convert to fraction form
    43,537.48/65,305.94 = 11,945.07/x
  3. Step 3: Cross multiply
    43,537.48x = 65,305.94 × 11,945.07
  4. Step 4: Simplify right side
    43,537.48x = 780,083,964.99
  5. Step 5: Solve for x
    x = 780,083,964.99/43,537.48
  6. Step 6: Final answer
    x = 17,917.53

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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.