Home / 66,211.88-91,373.38-35,997.12

Finding the Fourth Proportional to 66,211.88, 91,373.38 and 35,997.12

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Solution

The fourth proportional to 66,211.88, 91,373.38 and 35,997.12 is: 49,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.88 : 91,373.38 = 35,997.12 : x
  2. Step 2: Convert to fraction form
    66,211.88/91,373.38 = 35,997.12/x
  3. Step 3: Cross multiply
    66,211.88x = 91,373.38 × 35,997.12
  4. Step 4: Simplify right side
    66,211.88x = 3,289,178,434.67
  5. Step 5: Solve for x
    x = 3,289,178,434.67/66,211.88
  6. Step 6: Final answer
    x = 49,676.56

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Half scale
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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.