Home / 37,081.10-55,624.73-12,120.60

Finding the Fourth Proportional to 37,081.10, 55,624.73 and 12,120.60

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Solution

The fourth proportional to 37,081.10, 55,624.73 and 12,120.60 is: 18,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.10 : 55,624.73 = 12,120.60 : x
  2. Step 2: Convert to fraction form
    37,081.10/55,624.73 = 12,120.60/x
  3. Step 3: Cross multiply
    37,081.10x = 55,624.73 × 12,120.60
  4. Step 4: Simplify right side
    37,081.10x = 674,205,041.84
  5. Step 5: Solve for x
    x = 674,205,041.84/37,081.10
  6. Step 6: Final answer
    x = 18,181.91

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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.