Home / 29,720.46-41,018.44-18,393.61

Finding the Fourth Proportional to 29,720.46, 41,018.44 and 18,393.61

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Solution

The fourth proportional to 29,720.46, 41,018.44 and 18,393.61 is: 25,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720.46 : 41,018.44 = 18,393.61 : x
  2. Step 2: Convert to fraction form
    29,720.46/41,018.44 = 18,393.61/x
  3. Step 3: Cross multiply
    29,720.46x = 41,018.44 × 18,393.61
  4. Step 4: Simplify right side
    29,720.46x = 754,477,188.17
  5. Step 5: Solve for x
    x = 754,477,188.17/29,720.46
  6. Step 6: Final answer
    x = 25,385.78

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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.