Home / 61,249.18-91,788.18-33,108.56

Finding the Fourth Proportional to 61,249.18, 91,788.18 and 33,108.56

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Solution

The fourth proportional to 61,249.18, 91,788.18 and 33,108.56 is: 49,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,249.18 : 91,788.18 = 33,108.56 : x
  2. Step 2: Convert to fraction form
    61,249.18/91,788.18 = 33,108.56/x
  3. Step 3: Cross multiply
    61,249.18x = 91,788.18 × 33,108.56
  4. Step 4: Simplify right side
    61,249.18x = 3,038,974,464.82
  5. Step 5: Solve for x
    x = 3,038,974,464.82/61,249.18
  6. Step 6: Final answer
    x = 49,616.57

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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.