Home / 50,319.68-75,466.56-20,745.92

Finding the Fourth Proportional to 50,319.68, 75,466.56 and 20,745.92

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Solution

The fourth proportional to 50,319.68, 75,466.56 and 20,745.92 is: 31,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.68 : 75,466.56 = 20,745.92 : x
  2. Step 2: Convert to fraction form
    50,319.68/75,466.56 = 20,745.92/x
  3. Step 3: Cross multiply
    50,319.68x = 75,466.56 × 20,745.92
  4. Step 4: Simplify right side
    50,319.68x = 1,565,623,216.44
  5. Step 5: Solve for x
    x = 1,565,623,216.44/50,319.68
  6. Step 6: Final answer
    x = 31,113.54

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1.5x scale

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.