Home / 34,540.12-47,664.30-19,433.62

Finding the Fourth Proportional to 34,540.12, 47,664.30 and 19,433.62

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Solution

The fourth proportional to 34,540.12, 47,664.30 and 19,433.62 is: 26,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.12 : 47,664.30 = 19,433.62 : x
  2. Step 2: Convert to fraction form
    34,540.12/47,664.30 = 19,433.62/x
  3. Step 3: Cross multiply
    34,540.12x = 47,664.30 × 19,433.62
  4. Step 4: Simplify right side
    34,540.12x = 926,289,893.77
  5. Step 5: Solve for x
    x = 926,289,893.77/34,540.12
  6. Step 6: Final answer
    x = 26,817.80

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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.