Home / 33,979.56-50,989.38-12,937.31

Finding the Fourth Proportional to 33,979.56, 50,989.38 and 12,937.31

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Solution

The fourth proportional to 33,979.56, 50,989.38 and 12,937.31 is: 19,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979.56 : 50,989.38 = 12,937.31 : x
  2. Step 2: Convert to fraction form
    33,979.56/50,989.38 = 12,937.31/x
  3. Step 3: Cross multiply
    33,979.56x = 50,989.38 × 12,937.31
  4. Step 4: Simplify right side
    33,979.56x = 659,665,415.77
  5. Step 5: Solve for x
    x = 659,665,415.77/33,979.56
  6. Step 6: Final answer
    x = 19,413.60

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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.