Home / 66,629.90-91,949.05-36,415.22

Finding the Fourth Proportional to 66,629.90, 91,949.05 and 36,415.22

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Solution

The fourth proportional to 66,629.90, 91,949.05 and 36,415.22 is: 50,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,629.90 : 91,949.05 = 36,415.22 : x
  2. Step 2: Convert to fraction form
    66,629.90/91,949.05 = 36,415.22/x
  3. Step 3: Cross multiply
    66,629.90x = 91,949.05 × 36,415.22
  4. Step 4: Simplify right side
    66,629.90x = 3,348,344,470.31
  5. Step 5: Solve for x
    x = 3,348,344,470.31/66,629.90
  6. Step 6: Final answer
    x = 50,252.88

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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.