Home / 29,729.46-41,018.49-18,393.51

Finding the Fourth Proportional to 29,729.46, 41,018.49 and 18,393.51

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Solution

The fourth proportional to 29,729.46, 41,018.49 and 18,393.51 is: 25,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,729.46 : 41,018.49 = 18,393.51 : x
  2. Step 2: Convert to fraction form
    29,729.46/41,018.49 = 18,393.51/x
  3. Step 3: Cross multiply
    29,729.46x = 41,018.49 × 18,393.51
  4. Step 4: Simplify right side
    29,729.46x = 754,474,006.00
  5. Step 5: Solve for x
    x = 754,474,006.00/29,729.46
  6. Step 6: Final answer
    x = 25,377.99

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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.