Home / 29,845.44-41,186.16-20,413.68

Finding the Fourth Proportional to 29,845.44, 41,186.16 and 20,413.68

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Solution

The fourth proportional to 29,845.44, 41,186.16 and 20,413.68 is: 28,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,845.44 : 41,186.16 = 20,413.68 : x
  2. Step 2: Convert to fraction form
    29,845.44/41,186.16 = 20,413.68/x
  3. Step 3: Cross multiply
    29,845.44x = 41,186.16 × 20,413.68
  4. Step 4: Simplify right side
    29,845.44x = 840,761,090.67
  5. Step 5: Solve for x
    x = 840,761,090.67/29,845.44
  6. Step 6: Final answer
    x = 28,170.50

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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.