Home / 34,735.20-47,934.25-18,819.60

Finding the Fourth Proportional to 34,735.20, 47,934.25 and 18,819.60

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Solution

The fourth proportional to 34,735.20, 47,934.25 and 18,819.60 is: 25,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,735.20 : 47,934.25 = 18,819.60 : x
  2. Step 2: Convert to fraction form
    34,735.20/47,934.25 = 18,819.60/x
  3. Step 3: Cross multiply
    34,735.20x = 47,934.25 × 18,819.60
  4. Step 4: Simplify right side
    34,735.20x = 902,103,411.30
  5. Step 5: Solve for x
    x = 902,103,411.30/34,735.20
  6. Step 6: Final answer
    x = 25,970.87

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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.