Home / 33,448.18-50,138.56-20,977.02

Finding the Fourth Proportional to 33,448.18, 50,138.56 and 20,977.02

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Solution

The fourth proportional to 33,448.18, 50,138.56 and 20,977.02 is: 31,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,448.18 : 50,138.56 = 20,977.02 : x
  2. Step 2: Convert to fraction form
    33,448.18/50,138.56 = 20,977.02/x
  3. Step 3: Cross multiply
    33,448.18x = 50,138.56 × 20,977.02
  4. Step 4: Simplify right side
    33,448.18x = 1,051,757,575.89
  5. Step 5: Solve for x
    x = 1,051,757,575.89/33,448.18
  6. Step 6: Final answer
    x = 31,444.39

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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.