Home / 66,460.43-91,715.04-36,245.21

Finding the Fourth Proportional to 66,460.43, 91,715.04 and 36,245.21

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Solution

The fourth proportional to 66,460.43, 91,715.04 and 36,245.21 is: 50,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.43 : 91,715.04 = 36,245.21 : x
  2. Step 2: Convert to fraction form
    66,460.43/91,715.04 = 36,245.21/x
  3. Step 3: Cross multiply
    66,460.43x = 91,715.04 × 36,245.21
  4. Step 4: Simplify right side
    66,460.43x = 3,324,230,884.96
  5. Step 5: Solve for x
    x = 3,324,230,884.96/66,460.43
  6. Step 6: Final answer
    x = 50,018.20

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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.