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Finding the Fourth Proportional to 29,323.97, 43,985.97 and 7,137.35

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Solution

The fourth proportional to 29,323.97, 43,985.97 and 7,137.35 is: 10,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.97 : 43,985.97 = 7,137.35 : x
  2. Step 2: Convert to fraction form
    29,323.97/43,985.97 = 7,137.35/x
  3. Step 3: Cross multiply
    29,323.97x = 43,985.97 × 7,137.35
  4. Step 4: Simplify right side
    29,323.97x = 313,943,262.98
  5. Step 5: Solve for x
    x = 313,943,262.98/29,323.97
  6. Step 6: Final answer
    x = 10,706.03

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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.