Home / 35,324.20-48,745.14-20,216.80

Finding the Fourth Proportional to 35,324.20, 48,745.14 and 20,216.80

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Solution

The fourth proportional to 35,324.20, 48,745.14 and 20,216.80 is: 27,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,324.20 : 48,745.14 = 20,216.80 : x
  2. Step 2: Convert to fraction form
    35,324.20/48,745.14 = 20,216.80/x
  3. Step 3: Cross multiply
    35,324.20x = 48,745.14 × 20,216.80
  4. Step 4: Simplify right side
    35,324.20x = 985,470,746.35
  5. Step 5: Solve for x
    x = 985,470,746.35/35,324.20
  6. Step 6: Final answer
    x = 27,897.89

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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.