Home / 34,267.36-47,289.28-20,120.44

Finding the Fourth Proportional to 34,267.36, 47,289.28 and 20,120.44

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Solution

The fourth proportional to 34,267.36, 47,289.28 and 20,120.44 is: 27,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,267.36 : 47,289.28 = 20,120.44 : x
  2. Step 2: Convert to fraction form
    34,267.36/47,289.28 = 20,120.44/x
  3. Step 3: Cross multiply
    34,267.36x = 47,289.28 × 20,120.44
  4. Step 4: Simplify right side
    34,267.36x = 951,481,120.88
  5. Step 5: Solve for x
    x = 951,481,120.88/34,267.36
  6. Step 6: Final answer
    x = 27,766.40

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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.