Home / 33,755.94-50,565.06-20,420.64

Finding the Fourth Proportional to 33,755.94, 50,565.06 and 20,420.64

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Solution

The fourth proportional to 33,755.94, 50,565.06 and 20,420.64 is: 30,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,755.94 : 50,565.06 = 20,420.64 : x
  2. Step 2: Convert to fraction form
    33,755.94/50,565.06 = 20,420.64/x
  3. Step 3: Cross multiply
    33,755.94x = 50,565.06 × 20,420.64
  4. Step 4: Simplify right side
    33,755.94x = 1,032,570,886.84
  5. Step 5: Solve for x
    x = 1,032,570,886.84/33,755.94
  6. Step 6: Final answer
    x = 30,589.31

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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.