Home / 34,175.20-47,191.44-21,450.43

Finding the Fourth Proportional to 34,175.20, 47,191.44 and 21,450.43

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Solution

The fourth proportional to 34,175.20, 47,191.44 and 21,450.43 is: 29,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,175.20 : 47,191.44 = 21,450.43 : x
  2. Step 2: Convert to fraction form
    34,175.20/47,191.44 = 21,450.43/x
  3. Step 3: Cross multiply
    34,175.20x = 47,191.44 × 21,450.43
  4. Step 4: Simplify right side
    34,175.20x = 1,012,276,573.07
  5. Step 5: Solve for x
    x = 1,012,276,573.07/34,175.20
  6. Step 6: Final answer
    x = 29,620.21

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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.