Home / 35,134.82-48,485.84-20,028.12

Finding the Fourth Proportional to 35,134.82, 48,485.84 and 20,028.12

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Solution

The fourth proportional to 35,134.82, 48,485.84 and 20,028.12 is: 27,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,134.82 : 48,485.84 = 20,028.12 : x
  2. Step 2: Convert to fraction form
    35,134.82/48,485.84 = 20,028.12/x
  3. Step 3: Cross multiply
    35,134.82x = 48,485.84 × 20,028.12
  4. Step 4: Simplify right side
    35,134.82x = 971,080,221.82
  5. Step 5: Solve for x
    x = 971,080,221.82/35,134.82
  6. Step 6: Final answer
    x = 27,638.68

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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.