Home / 40,922.72-61,387.80-14,627.60

Finding the Fourth Proportional to 40,922.72, 61,387.80 and 14,627.60

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Solution

The fourth proportional to 40,922.72, 61,387.80 and 14,627.60 is: 21,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,922.72 : 61,387.80 = 14,627.60 : x
  2. Step 2: Convert to fraction form
    40,922.72/61,387.80 = 14,627.60/x
  3. Step 3: Cross multiply
    40,922.72x = 61,387.80 × 14,627.60
  4. Step 4: Simplify right side
    40,922.72x = 897,956,183.28
  5. Step 5: Solve for x
    x = 897,956,183.28/40,922.72
  6. Step 6: Final answer
    x = 21,942.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.