Home / 66,396.72-91,626.64-36,183.36

Finding the Fourth Proportional to 66,396.72, 91,626.64 and 36,183.36

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Solution

The fourth proportional to 66,396.72, 91,626.64 and 36,183.36 is: 49,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,396.72 : 91,626.64 = 36,183.36 : x
  2. Step 2: Convert to fraction form
    66,396.72/91,626.64 = 36,183.36/x
  3. Step 3: Cross multiply
    66,396.72x = 91,626.64 × 36,183.36
  4. Step 4: Simplify right side
    66,396.72x = 3,315,359,700.71
  5. Step 5: Solve for x
    x = 3,315,359,700.71/66,396.72
  6. Step 6: Final answer
    x = 49,932.58

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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.