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Finding the Fourth Proportional to 33,603.54, 46,364.31 and 19,455.54

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Solution

The fourth proportional to 33,603.54, 46,364.31 and 19,455.54 is: 26,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,603.54 : 46,364.31 = 19,455.54 : x
  2. Step 2: Convert to fraction form
    33,603.54/46,364.31 = 19,455.54/x
  3. Step 3: Cross multiply
    33,603.54x = 46,364.31 × 19,455.54
  4. Step 4: Simplify right side
    33,603.54x = 902,042,687.78
  5. Step 5: Solve for x
    x = 902,042,687.78/33,603.54
  6. Step 6: Final answer
    x = 26,843.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.