Home / 66,400.27-91,629.69-36,184.94

Finding the Fourth Proportional to 66,400.27, 91,629.69 and 36,184.94

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Solution

The fourth proportional to 66,400.27, 91,629.69 and 36,184.94 is: 49,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400.27 : 91,629.69 = 36,184.94 : x
  2. Step 2: Convert to fraction form
    66,400.27/91,629.69 = 36,184.94/x
  3. Step 3: Cross multiply
    66,400.27x = 91,629.69 × 36,184.94
  4. Step 4: Simplify right side
    66,400.27x = 3,315,614,584.64
  5. Step 5: Solve for x
    x = 3,315,614,584.64/66,400.27
  6. Step 6: Final answer
    x = 49,933.75

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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.