Home / 34,413.26-47,490.82-20,072.70

Finding the Fourth Proportional to 34,413.26, 47,490.82 and 20,072.70

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Solution

The fourth proportional to 34,413.26, 47,490.82 and 20,072.70 is: 27,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,413.26 : 47,490.82 = 20,072.70 : x
  2. Step 2: Convert to fraction form
    34,413.26/47,490.82 = 20,072.70/x
  3. Step 3: Cross multiply
    34,413.26x = 47,490.82 × 20,072.70
  4. Step 4: Simplify right side
    34,413.26x = 953,268,982.61
  5. Step 5: Solve for x
    x = 953,268,982.61/34,413.26
  6. Step 6: Final answer
    x = 27,700.63

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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.