Home / 35,244.75-48,633.26-20,138.39

Finding the Fourth Proportional to 35,244.75, 48,633.26 and 20,138.39

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Solution

The fourth proportional to 35,244.75, 48,633.26 and 20,138.39 is: 27,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,244.75 : 48,633.26 = 20,138.39 : x
  2. Step 2: Convert to fraction form
    35,244.75/48,633.26 = 20,138.39/x
  3. Step 3: Cross multiply
    35,244.75x = 48,633.26 × 20,138.39
  4. Step 4: Simplify right side
    35,244.75x = 979,395,838.85
  5. Step 5: Solve for x
    x = 979,395,838.85/35,244.75
  6. Step 6: Final answer
    x = 27,788.41

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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.