Home / 37,087.75-55,629.87-12,124.63

Finding the Fourth Proportional to 37,087.75, 55,629.87 and 12,124.63

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Solution

The fourth proportional to 37,087.75, 55,629.87 and 12,124.63 is: 18,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,087.75 : 55,629.87 = 12,124.63 : x
  2. Step 2: Convert to fraction form
    37,087.75/55,629.87 = 12,124.63/x
  3. Step 3: Cross multiply
    37,087.75x = 55,629.87 × 12,124.63
  4. Step 4: Simplify right side
    37,087.75x = 674,491,590.70
  5. Step 5: Solve for x
    x = 674,491,590.70/37,087.75
  6. Step 6: Final answer
    x = 18,186.37

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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.