Home / 30,240.73-45,361.71-11,005.82

Finding the Fourth Proportional to 30,240.73, 45,361.71 and 11,005.82

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Solution

The fourth proportional to 30,240.73, 45,361.71 and 11,005.82 is: 16,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.73 : 45,361.71 = 11,005.82 : x
  2. Step 2: Convert to fraction form
    30,240.73/45,361.71 = 11,005.82/x
  3. Step 3: Cross multiply
    30,240.73x = 45,361.71 × 11,005.82
  4. Step 4: Simplify right side
    30,240.73x = 499,242,815.15
  5. Step 5: Solve for x
    x = 499,242,815.15/30,240.73
  6. Step 6: Final answer
    x = 16,508.95

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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.