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Finding the Fourth Proportional to 36,002.40, 54,003.60 and 19,413.60

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Solution

The fourth proportional to 36,002.40, 54,003.60 and 19,413.60 is: 29,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.40 : 54,003.60 = 19,413.60 : x
  2. Step 2: Convert to fraction form
    36,002.40/54,003.60 = 19,413.60/x
  3. Step 3: Cross multiply
    36,002.40x = 54,003.60 × 19,413.60
  4. Step 4: Simplify right side
    36,002.40x = 1,048,404,288.96
  5. Step 5: Solve for x
    x = 1,048,404,288.96/36,002.40
  6. Step 6: Final answer
    x = 29,120.40

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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.