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Finding the Fourth Proportional to 66,579.54, 91,880.46 and 36,365.73

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Solution

The fourth proportional to 66,579.54, 91,880.46 and 36,365.73 is: 50,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,579.54 : 91,880.46 = 36,365.73 : x
  2. Step 2: Convert to fraction form
    66,579.54/91,880.46 = 36,365.73/x
  3. Step 3: Cross multiply
    66,579.54x = 91,880.46 × 36,365.73
  4. Step 4: Simplify right side
    66,579.54x = 3,341,300,000.64
  5. Step 5: Solve for x
    x = 3,341,300,000.64/66,579.54
  6. Step 6: Final answer
    x = 50,185.09

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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.