Home / 66,245.12-91,418.20-37,950.92

Finding the Fourth Proportional to 66,245.12, 91,418.20 and 37,950.92

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Solution

The fourth proportional to 66,245.12, 91,418.20 and 37,950.92 is: 52,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245.12 : 91,418.20 = 37,950.92 : x
  2. Step 2: Convert to fraction form
    66,245.12/91,418.20 = 37,950.92/x
  3. Step 3: Cross multiply
    66,245.12x = 91,418.20 × 37,950.92
  4. Step 4: Simplify right side
    66,245.12x = 3,469,404,794.74
  5. Step 5: Solve for x
    x = 3,469,404,794.74/66,245.12
  6. Step 6: Final answer
    x = 52,372.23

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1.5x scale

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.