Home / 55,669.73-76,815.87-31,791.35

Finding the Fourth Proportional to 55,669.73, 76,815.87 and 31,791.35

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Solution

The fourth proportional to 55,669.73, 76,815.87 and 31,791.35 is: 43,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,669.73 : 76,815.87 = 31,791.35 : x
  2. Step 2: Convert to fraction form
    55,669.73/76,815.87 = 31,791.35/x
  3. Step 3: Cross multiply
    55,669.73x = 76,815.87 × 31,791.35
  4. Step 4: Simplify right side
    55,669.73x = 2,442,080,208.72
  5. Step 5: Solve for x
    x = 2,442,080,208.72/55,669.73
  6. Step 6: Final answer
    x = 43,867.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.