Home / 33,413.40-50,120.10-21,603.60

Finding the Fourth Proportional to 33,413.40, 50,120.10 and 21,603.60

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Solution

The fourth proportional to 33,413.40, 50,120.10 and 21,603.60 is: 32,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,413.40 : 50,120.10 = 21,603.60 : x
  2. Step 2: Convert to fraction form
    33,413.40/50,120.10 = 21,603.60/x
  3. Step 3: Cross multiply
    33,413.40x = 50,120.10 × 21,603.60
  4. Step 4: Simplify right side
    33,413.40x = 1,082,774,592.36
  5. Step 5: Solve for x
    x = 1,082,774,592.36/33,413.40
  6. Step 6: Final answer
    x = 32,405.40

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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.