Home / 66,215.62-91,379.35-36,002.97

Finding the Fourth Proportional to 66,215.62, 91,379.35 and 36,002.97

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Solution

The fourth proportional to 66,215.62, 91,379.35 and 36,002.97 is: 49,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,215.62 : 91,379.35 = 36,002.97 : x
  2. Step 2: Convert to fraction form
    66,215.62/91,379.35 = 36,002.97/x
  3. Step 3: Cross multiply
    66,215.62x = 91,379.35 × 36,002.97
  4. Step 4: Simplify right side
    66,215.62x = 3,289,927,906.66
  5. Step 5: Solve for x
    x = 3,289,927,906.66/66,215.62
  6. Step 6: Final answer
    x = 49,685.07

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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.