Home / 40,791.24-61,187.54-11,208.89

Finding the Fourth Proportional to 40,791.24, 61,187.54 and 11,208.89

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Solution

The fourth proportional to 40,791.24, 61,187.54 and 11,208.89 is: 16,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791.24 : 61,187.54 = 11,208.89 : x
  2. Step 2: Convert to fraction form
    40,791.24/61,187.54 = 11,208.89/x
  3. Step 3: Cross multiply
    40,791.24x = 61,187.54 × 11,208.89
  4. Step 4: Simplify right side
    40,791.24x = 685,844,502.15
  5. Step 5: Solve for x
    x = 685,844,502.15/40,791.24
  6. Step 6: Final answer
    x = 16,813.52

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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.