Home / 55,032.75-82,549.26-19,972.44

Finding the Fourth Proportional to 55,032.75, 82,549.26 and 19,972.44

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Solution

The fourth proportional to 55,032.75, 82,549.26 and 19,972.44 is: 29,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,032.75 : 82,549.26 = 19,972.44 : x
  2. Step 2: Convert to fraction form
    55,032.75/82,549.26 = 19,972.44/x
  3. Step 3: Cross multiply
    55,032.75x = 82,549.26 × 19,972.44
  4. Step 4: Simplify right side
    55,032.75x = 1,648,710,142.39
  5. Step 5: Solve for x
    x = 1,648,710,142.39/55,032.75
  6. Step 6: Final answer
    x = 29,958.71

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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.