Home / 51,408.96-70,936.82-30,195.06

Finding the Fourth Proportional to 51,408.96, 70,936.82 and 30,195.06

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Solution

The fourth proportional to 51,408.96, 70,936.82 and 30,195.06 is: 41,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,408.96 : 70,936.82 = 30,195.06 : x
  2. Step 2: Convert to fraction form
    51,408.96/70,936.82 = 30,195.06/x
  3. Step 3: Cross multiply
    51,408.96x = 70,936.82 × 30,195.06
  4. Step 4: Simplify right side
    51,408.96x = 2,141,941,536.11
  5. Step 5: Solve for x
    x = 2,141,941,536.11/51,408.96
  6. Step 6: Final answer
    x = 41,664.75

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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.