Home / 34,705.44-47,893.68-18,790.20

Finding the Fourth Proportional to 34,705.44, 47,893.68 and 18,790.20

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Solution

The fourth proportional to 34,705.44, 47,893.68 and 18,790.20 is: 25,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,705.44 : 47,893.68 = 18,790.20 : x
  2. Step 2: Convert to fraction form
    34,705.44/47,893.68 = 18,790.20/x
  3. Step 3: Cross multiply
    34,705.44x = 47,893.68 × 18,790.20
  4. Step 4: Simplify right side
    34,705.44x = 899,931,825.94
  5. Step 5: Solve for x
    x = 899,931,825.94/34,705.44
  6. Step 6: Final answer
    x = 25,930.57

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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.