Home / 55,083.78-76,015.26-29,933.28

Finding the Fourth Proportional to 55,083.78, 76,015.26 and 29,933.28

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Solution

The fourth proportional to 55,083.78, 76,015.26 and 29,933.28 is: 41,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,083.78 : 76,015.26 = 29,933.28 : x
  2. Step 2: Convert to fraction form
    55,083.78/76,015.26 = 29,933.28/x
  3. Step 3: Cross multiply
    55,083.78x = 76,015.26 × 29,933.28
  4. Step 4: Simplify right side
    55,083.78x = 2,275,386,061.85
  5. Step 5: Solve for x
    x = 2,275,386,061.85/55,083.78
  6. Step 6: Final answer
    x = 41,307.73

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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.