Home / 66,456.42-91,708.71-36,241.98

Finding the Fourth Proportional to 66,456.42, 91,708.71 and 36,241.98

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Solution

The fourth proportional to 66,456.42, 91,708.71 and 36,241.98 is: 50,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,456.42 : 91,708.71 = 36,241.98 : x
  2. Step 2: Convert to fraction form
    66,456.42/91,708.71 = 36,241.98/x
  3. Step 3: Cross multiply
    66,456.42x = 91,708.71 × 36,241.98
  4. Step 4: Simplify right side
    66,456.42x = 3,323,705,233.65
  5. Step 5: Solve for x
    x = 3,323,705,233.65/66,456.42
  6. Step 6: Final answer
    x = 50,013.31

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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.