Home / 35,262.97-48,662.89-20,155.95

Finding the Fourth Proportional to 35,262.97, 48,662.89 and 20,155.95

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Solution

The fourth proportional to 35,262.97, 48,662.89 and 20,155.95 is: 27,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,262.97 : 48,662.89 = 20,155.95 : x
  2. Step 2: Convert to fraction form
    35,262.97/48,662.89 = 20,155.95/x
  3. Step 3: Cross multiply
    35,262.97x = 48,662.89 × 20,155.95
  4. Step 4: Simplify right side
    35,262.97x = 980,846,777.70
  5. Step 5: Solve for x
    x = 980,846,777.70/35,262.97
  6. Step 6: Final answer
    x = 27,815.21

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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.