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Finding the Fourth Proportional to 36,058.75, 49,728.75 and 30,028.96

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Solution

The fourth proportional to 36,058.75, 49,728.75 and 30,028.96 is: 41,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,058.75 : 49,728.75 = 30,028.96 : x
  2. Step 2: Convert to fraction form
    36,058.75/49,728.75 = 30,028.96/x
  3. Step 3: Cross multiply
    36,058.75x = 49,728.75 × 30,028.96
  4. Step 4: Simplify right side
    36,058.75x = 1,493,302,644.60
  5. Step 5: Solve for x
    x = 1,493,302,644.60/36,058.75
  6. Step 6: Final answer
    x = 41,413.05

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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.