Home / 50,548.58-75,790.43-20,986.82

Finding the Fourth Proportional to 50,548.58, 75,790.43 and 20,986.82

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Solution

The fourth proportional to 50,548.58, 75,790.43 and 20,986.82 is: 31,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,548.58 : 75,790.43 = 20,986.82 : x
  2. Step 2: Convert to fraction form
    50,548.58/75,790.43 = 20,986.82/x
  3. Step 3: Cross multiply
    50,548.58x = 75,790.43 × 20,986.82
  4. Step 4: Simplify right side
    50,548.58x = 1,590,600,112.13
  5. Step 5: Solve for x
    x = 1,590,600,112.13/50,548.58
  6. Step 6: Final answer
    x = 31,466.76

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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.