Home / 45,205.37-67,808.05-15,217.09

Finding the Fourth Proportional to 45,205.37, 67,808.05 and 15,217.09

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Solution

The fourth proportional to 45,205.37, 67,808.05 and 15,217.09 is: 22,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.37 : 67,808.05 = 15,217.09 : x
  2. Step 2: Convert to fraction form
    45,205.37/67,808.05 = 15,217.09/x
  3. Step 3: Cross multiply
    45,205.37x = 67,808.05 × 15,217.09
  4. Step 4: Simplify right side
    45,205.37x = 1,031,840,992.01
  5. Step 5: Solve for x
    x = 1,031,840,992.01/45,205.37
  6. Step 6: Final answer
    x = 22,825.63

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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.