Home / 48,977.82-73,451.31-18,989.95

Finding the Fourth Proportional to 48,977.82, 73,451.31 and 18,989.95

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Solution

The fourth proportional to 48,977.82, 73,451.31 and 18,989.95 is: 28,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,977.82 : 73,451.31 = 18,989.95 : x
  2. Step 2: Convert to fraction form
    48,977.82/73,451.31 = 18,989.95/x
  3. Step 3: Cross multiply
    48,977.82x = 73,451.31 × 18,989.95
  4. Step 4: Simplify right side
    48,977.82x = 1,394,836,694.03
  5. Step 5: Solve for x
    x = 1,394,836,694.03/48,977.82
  6. Step 6: Final answer
    x = 28,478.95

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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.