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Finding the Fourth Proportional to 61,033.50, 91,551.87 and 19,480.50

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Solution

The fourth proportional to 61,033.50, 91,551.87 and 19,480.50 is: 29,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,033.50 : 91,551.87 = 19,480.50 : x
  2. Step 2: Convert to fraction form
    61,033.50/91,551.87 = 19,480.50/x
  3. Step 3: Cross multiply
    61,033.50x = 91,551.87 × 19,480.50
  4. Step 4: Simplify right side
    61,033.50x = 1,783,476,203.54
  5. Step 5: Solve for x
    x = 1,783,476,203.54/61,033.50
  6. Step 6: Final answer
    x = 29,221.27

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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.