Home / 66,207.66-91,365.48-35,993.73

Finding the Fourth Proportional to 66,207.66, 91,365.48 and 35,993.73

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Solution

The fourth proportional to 66,207.66, 91,365.48 and 35,993.73 is: 49,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.66 : 91,365.48 = 35,993.73 : x
  2. Step 2: Convert to fraction form
    66,207.66/91,365.48 = 35,993.73/x
  3. Step 3: Cross multiply
    66,207.66x = 91,365.48 × 35,993.73
  4. Step 4: Simplify right side
    66,207.66x = 3,288,584,418.44
  5. Step 5: Solve for x
    x = 3,288,584,418.44/66,207.66
  6. Step 6: Final answer
    x = 49,670.75

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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.