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Finding the Fourth Proportional to 29,123.97, 43,674.88 and 9,399.57

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Solution

The fourth proportional to 29,123.97, 43,674.88 and 9,399.57 is: 14,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123.97 : 43,674.88 = 9,399.57 : x
  2. Step 2: Convert to fraction form
    29,123.97/43,674.88 = 9,399.57/x
  3. Step 3: Cross multiply
    29,123.97x = 43,674.88 × 9,399.57
  4. Step 4: Simplify right side
    29,123.97x = 410,525,091.80
  5. Step 5: Solve for x
    x = 410,525,091.80/29,123.97
  6. Step 6: Final answer
    x = 14,095.78

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1.5x scale

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.