Home / 34,245.43-47,257.77-19,138.22

Finding the Fourth Proportional to 34,245.43, 47,257.77 and 19,138.22

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Solution

The fourth proportional to 34,245.43, 47,257.77 and 19,138.22 is: 26,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.43 : 47,257.77 = 19,138.22 : x
  2. Step 2: Convert to fraction form
    34,245.43/47,257.77 = 19,138.22/x
  3. Step 3: Cross multiply
    34,245.43x = 47,257.77 × 19,138.22
  4. Step 4: Simplify right side
    34,245.43x = 904,429,611.67
  5. Step 5: Solve for x
    x = 904,429,611.67/34,245.43
  6. Step 6: Final answer
    x = 26,410.23

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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.