Home / 40,071.44-60,118.68-11,993.60

Finding the Fourth Proportional to 40,071.44, 60,118.68 and 11,993.60

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Solution

The fourth proportional to 40,071.44, 60,118.68 and 11,993.60 is: 17,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.44 : 60,118.68 = 11,993.60 : x
  2. Step 2: Convert to fraction form
    40,071.44/60,118.68 = 11,993.60/x
  3. Step 3: Cross multiply
    40,071.44x = 60,118.68 × 11,993.60
  4. Step 4: Simplify right side
    40,071.44x = 721,039,400.45
  5. Step 5: Solve for x
    x = 721,039,400.45/40,071.44
  6. Step 6: Final answer
    x = 17,993.85

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1.5x scale

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.