Home / 34,289.74-51,441.18-12,100.60

Finding the Fourth Proportional to 34,289.74, 51,441.18 and 12,100.60

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Solution

The fourth proportional to 34,289.74, 51,441.18 and 12,100.60 is: 18,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,289.74 : 51,441.18 = 12,100.60 : x
  2. Step 2: Convert to fraction form
    34,289.74/51,441.18 = 12,100.60/x
  3. Step 3: Cross multiply
    34,289.74x = 51,441.18 × 12,100.60
  4. Step 4: Simplify right side
    34,289.74x = 622,469,142.71
  5. Step 5: Solve for x
    x = 622,469,142.71/34,289.74
  6. Step 6: Final answer
    x = 18,153.22

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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.