Home / 49,635.70-74,477.31-30,910.66

Finding the Fourth Proportional to 49,635.70, 74,477.31 and 30,910.66

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Solution

The fourth proportional to 49,635.70, 74,477.31 and 30,910.66 is: 46,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,635.70 : 74,477.31 = 30,910.66 : x
  2. Step 2: Convert to fraction form
    49,635.70/74,477.31 = 30,910.66/x
  3. Step 3: Cross multiply
    49,635.70x = 74,477.31 × 30,910.66
  4. Step 4: Simplify right side
    49,635.70x = 2,302,142,807.12
  5. Step 5: Solve for x
    x = 2,302,142,807.12/49,635.70
  6. Step 6: Final answer
    x = 46,380.79

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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.