Home / 35,562.83-49,078.11-20,455.48

Finding the Fourth Proportional to 35,562.83, 49,078.11 and 20,455.48

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Solution

The fourth proportional to 35,562.83, 49,078.11 and 20,455.48 is: 28,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,562.83 : 49,078.11 = 20,455.48 : x
  2. Step 2: Convert to fraction form
    35,562.83/49,078.11 = 20,455.48/x
  3. Step 3: Cross multiply
    35,562.83x = 49,078.11 × 20,455.48
  4. Step 4: Simplify right side
    35,562.83x = 1,003,916,297.54
  5. Step 5: Solve for x
    x = 1,003,916,297.54/35,562.83
  6. Step 6: Final answer
    x = 28,229.37

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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.