Home / 29,361.09-43,939.98-18,111.81

Finding the Fourth Proportional to 29,361.09, 43,939.98 and 18,111.81

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Solution

The fourth proportional to 29,361.09, 43,939.98 and 18,111.81 is: 27,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361.09 : 43,939.98 = 18,111.81 : x
  2. Step 2: Convert to fraction form
    29,361.09/43,939.98 = 18,111.81/x
  3. Step 3: Cross multiply
    29,361.09x = 43,939.98 × 18,111.81
  4. Step 4: Simplify right side
    29,361.09x = 795,832,569.16
  5. Step 5: Solve for x
    x = 795,832,569.16/29,361.09
  6. Step 6: Final answer
    x = 27,105.01

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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.