Home / 37,120.68-51,226.38-20,353.68

Finding the Fourth Proportional to 37,120.68, 51,226.38 and 20,353.68

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Solution

The fourth proportional to 37,120.68, 51,226.38 and 20,353.68 is: 28,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,120.68 : 51,226.38 = 20,353.68 : x
  2. Step 2: Convert to fraction form
    37,120.68/51,226.38 = 20,353.68/x
  3. Step 3: Cross multiply
    37,120.68x = 51,226.38 × 20,353.68
  4. Step 4: Simplify right side
    37,120.68x = 1,042,645,346.08
  5. Step 5: Solve for x
    x = 1,042,645,346.08/37,120.68
  6. Step 6: Final answer
    x = 28,087.99

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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.