Home / 43,938.19-65,918.52-12,773.44

Finding the Fourth Proportional to 43,938.19, 65,918.52 and 12,773.44

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Solution

The fourth proportional to 43,938.19, 65,918.52 and 12,773.44 is: 19,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.19 : 65,918.52 = 12,773.44 : x
  2. Step 2: Convert to fraction form
    43,938.19/65,918.52 = 12,773.44/x
  3. Step 3: Cross multiply
    43,938.19x = 65,918.52 × 12,773.44
  4. Step 4: Simplify right side
    43,938.19x = 842,006,095.31
  5. Step 5: Solve for x
    x = 842,006,095.31/43,938.19
  6. Step 6: Final answer
    x = 19,163.42

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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.