Home / 34,265.36-47,286.60-20,118.48

Finding the Fourth Proportional to 34,265.36, 47,286.60 and 20,118.48

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Solution

The fourth proportional to 34,265.36, 47,286.60 and 20,118.48 is: 27,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,265.36 : 47,286.60 = 20,118.48 : x
  2. Step 2: Convert to fraction form
    34,265.36/47,286.60 = 20,118.48/x
  3. Step 3: Cross multiply
    34,265.36x = 47,286.60 × 20,118.48
  4. Step 4: Simplify right side
    34,265.36x = 951,334,516.37
  5. Step 5: Solve for x
    x = 951,334,516.37/34,265.36
  6. Step 6: Final answer
    x = 27,763.74

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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.