Home / 20,037.21-30,057.44-6,889.59

Finding the Fourth Proportional to 20,037.21, 30,057.44 and 6,889.59

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Solution

The fourth proportional to 20,037.21, 30,057.44 and 6,889.59 is: 10,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.21 : 30,057.44 = 6,889.59 : x
  2. Step 2: Convert to fraction form
    20,037.21/30,057.44 = 6,889.59/x
  3. Step 3: Cross multiply
    20,037.21x = 30,057.44 × 6,889.59
  4. Step 4: Simplify right side
    20,037.21x = 207,083,403.60
  5. Step 5: Solve for x
    x = 207,083,403.60/20,037.21
  6. Step 6: Final answer
    x = 10,334.94

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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.