Home / 44,630.62-66,942.70-20,943.55

Finding the Fourth Proportional to 44,630.62, 66,942.70 and 20,943.55

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Solution

The fourth proportional to 44,630.62, 66,942.70 and 20,943.55 is: 31,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,630.62 : 66,942.70 = 20,943.55 : x
  2. Step 2: Convert to fraction form
    44,630.62/66,942.70 = 20,943.55/x
  3. Step 3: Cross multiply
    44,630.62x = 66,942.70 × 20,943.55
  4. Step 4: Simplify right side
    44,630.62x = 1,402,017,564.87
  5. Step 5: Solve for x
    x = 1,402,017,564.87/44,630.62
  6. Step 6: Final answer
    x = 31,413.81

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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.