Home / 49,042.75-73,564.31-12,106.75

Finding the Fourth Proportional to 49,042.75, 73,564.31 and 12,106.75

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Solution

The fourth proportional to 49,042.75, 73,564.31 and 12,106.75 is: 18,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,042.75 : 73,564.31 = 12,106.75 : x
  2. Step 2: Convert to fraction form
    49,042.75/73,564.31 = 12,106.75/x
  3. Step 3: Cross multiply
    49,042.75x = 73,564.31 × 12,106.75
  4. Step 4: Simplify right side
    49,042.75x = 890,624,710.09
  5. Step 5: Solve for x
    x = 890,624,710.09/49,042.75
  6. Step 6: Final answer
    x = 18,160.17

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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.