Home / 31,413.76-47,122.94-11,692.32

Finding the Fourth Proportional to 31,413.76, 47,122.94 and 11,692.32

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Solution

The fourth proportional to 31,413.76, 47,122.94 and 11,692.32 is: 17,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.76 : 47,122.94 = 11,692.32 : x
  2. Step 2: Convert to fraction form
    31,413.76/47,122.94 = 11,692.32/x
  3. Step 3: Cross multiply
    31,413.76x = 47,122.94 × 11,692.32
  4. Step 4: Simplify right side
    31,413.76x = 550,976,493.82
  5. Step 5: Solve for x
    x = 550,976,493.82/31,413.76
  6. Step 6: Final answer
    x = 17,539.34

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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.