Home / 35,245.61-48,634.44-20,139.24

Finding the Fourth Proportional to 35,245.61, 48,634.44 and 20,139.24

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Solution

The fourth proportional to 35,245.61, 48,634.44 and 20,139.24 is: 27,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,245.61 : 48,634.44 = 20,139.24 : x
  2. Step 2: Convert to fraction form
    35,245.61/48,634.44 = 20,139.24/x
  3. Step 3: Cross multiply
    35,245.61x = 48,634.44 × 20,139.24
  4. Step 4: Simplify right side
    35,245.61x = 979,460,659.43
  5. Step 5: Solve for x
    x = 979,460,659.43/35,245.61
  6. Step 6: Final answer
    x = 27,789.58

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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.