Home / 37,099.78-51,200.19-20,961.50

Finding the Fourth Proportional to 37,099.78, 51,200.19 and 20,961.50

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Solution

The fourth proportional to 37,099.78, 51,200.19 and 20,961.50 is: 28,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.78 : 51,200.19 = 20,961.50 : x
  2. Step 2: Convert to fraction form
    37,099.78/51,200.19 = 20,961.50/x
  3. Step 3: Cross multiply
    37,099.78x = 51,200.19 × 20,961.50
  4. Step 4: Simplify right side
    37,099.78x = 1,073,232,526.68
  5. Step 5: Solve for x
    x = 1,073,232,526.68/37,099.78
  6. Step 6: Final answer
    x = 28,928.27

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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.