Home / 66,939.62-92,379.29-36,726.21

Finding the Fourth Proportional to 66,939.62, 92,379.29 and 36,726.21

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Solution

The fourth proportional to 66,939.62, 92,379.29 and 36,726.21 is: 50,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.62 : 92,379.29 = 36,726.21 : x
  2. Step 2: Convert to fraction form
    66,939.62/92,379.29 = 36,726.21/x
  3. Step 3: Cross multiply
    66,939.62x = 92,379.29 × 36,726.21
  4. Step 4: Simplify right side
    66,939.62x = 3,392,741,020.56
  5. Step 5: Solve for x
    x = 3,392,741,020.56/66,939.62
  6. Step 6: Final answer
    x = 50,683.61

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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.