Home / 66,212.04-91,372.53-35,997.28

Finding the Fourth Proportional to 66,212.04, 91,372.53 and 35,997.28

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Solution

The fourth proportional to 66,212.04, 91,372.53 and 35,997.28 is: 49,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.04 : 91,372.53 = 35,997.28 : x
  2. Step 2: Convert to fraction form
    66,212.04/91,372.53 = 35,997.28/x
  3. Step 3: Cross multiply
    66,212.04x = 91,372.53 × 35,997.28
  4. Step 4: Simplify right side
    66,212.04x = 3,289,162,546.72
  5. Step 5: Solve for x
    x = 3,289,162,546.72/66,212.04
  6. Step 6: Final answer
    x = 49,676.20

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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.