Home / 40,231.20-60,357.60-35,878.80

Finding the Fourth Proportional to 40,231.20, 60,357.60 and 35,878.80

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Solution

The fourth proportional to 40,231.20, 60,357.60 and 35,878.80 is: 53,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.20 : 60,357.60 = 35,878.80 : x
  2. Step 2: Convert to fraction form
    40,231.20/60,357.60 = 35,878.80/x
  3. Step 3: Cross multiply
    40,231.20x = 60,357.60 × 35,878.80
  4. Step 4: Simplify right side
    40,231.20x = 2,165,558,258.88
  5. Step 5: Solve for x
    x = 2,165,558,258.88/40,231.20
  6. Step 6: Final answer
    x = 53,827.83

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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.