Home / 37,515.60-51,764.04-20,745.36

Finding the Fourth Proportional to 37,515.60, 51,764.04 and 20,745.36

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Solution

The fourth proportional to 37,515.60, 51,764.04 and 20,745.36 is: 28,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,515.60 : 51,764.04 = 20,745.36 : x
  2. Step 2: Convert to fraction form
    37,515.60/51,764.04 = 20,745.36/x
  3. Step 3: Cross multiply
    37,515.60x = 51,764.04 × 20,745.36
  4. Step 4: Simplify right side
    37,515.60x = 1,073,863,644.85
  5. Step 5: Solve for x
    x = 1,073,863,644.85/37,515.60
  6. Step 6: Final answer
    x = 28,624.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.