Home / 37,121.75-55,690.81-10,828.55

Finding the Fourth Proportional to 37,121.75, 55,690.81 and 10,828.55

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Solution

The fourth proportional to 37,121.75, 55,690.81 and 10,828.55 is: 16,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.75 : 55,690.81 = 10,828.55 : x
  2. Step 2: Convert to fraction form
    37,121.75/55,690.81 = 10,828.55/x
  3. Step 3: Cross multiply
    37,121.75x = 55,690.81 × 10,828.55
  4. Step 4: Simplify right side
    37,121.75x = 603,050,720.63
  5. Step 5: Solve for x
    x = 603,050,720.63/37,121.75
  6. Step 6: Final answer
    x = 16,245.21

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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.