Home / 50,682.81-76,019.06-13,238.03

Finding the Fourth Proportional to 50,682.81, 76,019.06 and 13,238.03

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Solution

The fourth proportional to 50,682.81, 76,019.06 and 13,238.03 is: 19,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,682.81 : 76,019.06 = 13,238.03 : x
  2. Step 2: Convert to fraction form
    50,682.81/76,019.06 = 13,238.03/x
  3. Step 3: Cross multiply
    50,682.81x = 76,019.06 × 13,238.03
  4. Step 4: Simplify right side
    50,682.81x = 1,006,342,745.53
  5. Step 5: Solve for x
    x = 1,006,342,745.53/50,682.81
  6. Step 6: Final answer
    x = 19,855.70

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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.