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Finding the Fourth Proportional to 29,769.94, 44,648.16 and 8,705.62

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Solution

The fourth proportional to 29,769.94, 44,648.16 and 8,705.62 is: 13,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,769.94 : 44,648.16 = 8,705.62 : x
  2. Step 2: Convert to fraction form
    29,769.94/44,648.16 = 8,705.62/x
  3. Step 3: Cross multiply
    29,769.94x = 44,648.16 × 8,705.62
  4. Step 4: Simplify right side
    29,769.94x = 388,689,914.66
  5. Step 5: Solve for x
    x = 388,689,914.66/29,769.94
  6. Step 6: Final answer
    x = 13,056.46

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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.