Home / 66,825.75-92,217.09-38,146.89

Finding the Fourth Proportional to 66,825.75, 92,217.09 and 38,146.89

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Solution

The fourth proportional to 66,825.75, 92,217.09 and 38,146.89 is: 52,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,825.75 : 92,217.09 = 38,146.89 : x
  2. Step 2: Convert to fraction form
    66,825.75/92,217.09 = 38,146.89/x
  3. Step 3: Cross multiply
    66,825.75x = 92,217.09 × 38,146.89
  4. Step 4: Simplify right side
    66,825.75x = 3,517,795,188.35
  5. Step 5: Solve for x
    x = 3,517,795,188.35/66,825.75
  6. Step 6: Final answer
    x = 52,641.31

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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.