Home / 30,802.88-42,469.44-25,705.73

Finding the Fourth Proportional to 30,802.88, 42,469.44 and 25,705.73

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Solution

The fourth proportional to 30,802.88, 42,469.44 and 25,705.73 is: 35,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.88 : 42,469.44 = 25,705.73 : x
  2. Step 2: Convert to fraction form
    30,802.88/42,469.44 = 25,705.73/x
  3. Step 3: Cross multiply
    30,802.88x = 42,469.44 × 25,705.73
  4. Step 4: Simplify right side
    30,802.88x = 1,091,707,745.54
  5. Step 5: Solve for x
    x = 1,091,707,745.54/30,802.88
  6. Step 6: Final answer
    x = 35,441.75

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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.