Home / 35,806.21-49,408.41-19,888.09

Finding the Fourth Proportional to 35,806.21, 49,408.41 and 19,888.09

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Solution

The fourth proportional to 35,806.21, 49,408.41 and 19,888.09 is: 27,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,806.21 : 49,408.41 = 19,888.09 : x
  2. Step 2: Convert to fraction form
    35,806.21/49,408.41 = 19,888.09/x
  3. Step 3: Cross multiply
    35,806.21x = 49,408.41 × 19,888.09
  4. Step 4: Simplify right side
    35,806.21x = 982,638,904.84
  5. Step 5: Solve for x
    x = 982,638,904.84/35,806.21
  6. Step 6: Final answer
    x = 27,443.25

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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.