Home / 34,212.20-47,212.60-19,103.96

Finding the Fourth Proportional to 34,212.20, 47,212.60 and 19,103.96

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Solution

The fourth proportional to 34,212.20, 47,212.60 and 19,103.96 is: 26,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,212.20 : 47,212.60 = 19,103.96 : x
  2. Step 2: Convert to fraction form
    34,212.20/47,212.60 = 19,103.96/x
  3. Step 3: Cross multiply
    34,212.20x = 47,212.60 × 19,103.96
  4. Step 4: Simplify right side
    34,212.20x = 901,947,621.90
  5. Step 5: Solve for x
    x = 901,947,621.90/34,212.20
  6. Step 6: Final answer
    x = 26,363.33

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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.