Home / 44,912-67,367.72-11,631.98

Finding the Fourth Proportional to 44,912, 67,367.72 and 11,631.98

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Solution

The fourth proportional to 44,912, 67,367.72 and 11,631.98 is: 17,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,912 : 67,367.72 = 11,631.98 : x
  2. Step 2: Convert to fraction form
    44,912/67,367.72 = 11,631.98/x
  3. Step 3: Cross multiply
    44,912x = 67,367.72 × 11,631.98
  4. Step 4: Simplify right side
    44,912x = 783,619,971.69
  5. Step 5: Solve for x
    x = 783,619,971.69/44,912
  6. Step 6: Final answer
    x = 17,447.90

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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.