Home / 35,563.05-49,078.41-20,455.68

Finding the Fourth Proportional to 35,563.05, 49,078.41 and 20,455.68

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Solution

The fourth proportional to 35,563.05, 49,078.41 and 20,455.68 is: 28,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,563.05 : 49,078.41 = 20,455.68 : x
  2. Step 2: Convert to fraction form
    35,563.05/49,078.41 = 20,455.68/x
  3. Step 3: Cross multiply
    35,563.05x = 49,078.41 × 20,455.68
  4. Step 4: Simplify right side
    35,563.05x = 1,003,932,249.87
  5. Step 5: Solve for x
    x = 1,003,932,249.87/35,563.05
  6. Step 6: Final answer
    x = 28,229.64

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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.