Home / 40,512.56-60,687.44-20,188.01

Finding the Fourth Proportional to 40,512.56, 60,687.44 and 20,188.01

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Solution

The fourth proportional to 40,512.56, 60,687.44 and 20,188.01 is: 30,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.56 : 60,687.44 = 20,188.01 : x
  2. Step 2: Convert to fraction form
    40,512.56/60,687.44 = 20,188.01/x
  3. Step 3: Cross multiply
    40,512.56x = 60,687.44 × 20,188.01
  4. Step 4: Simplify right side
    40,512.56x = 1,225,158,645.59
  5. Step 5: Solve for x
    x = 1,225,158,645.59/40,512.56
  6. Step 6: Final answer
    x = 30,241.45

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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.