Home / 38,192.49-52,708.32-21,198.42

Finding the Fourth Proportional to 38,192.49, 52,708.32 and 21,198.42

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Solution

The fourth proportional to 38,192.49, 52,708.32 and 21,198.42 is: 29,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192.49 : 52,708.32 = 21,198.42 : x
  2. Step 2: Convert to fraction form
    38,192.49/52,708.32 = 21,198.42/x
  3. Step 3: Cross multiply
    38,192.49x = 52,708.32 × 21,198.42
  4. Step 4: Simplify right side
    38,192.49x = 1,117,333,104.85
  5. Step 5: Solve for x
    x = 1,117,333,104.85/38,192.49
  6. Step 6: Final answer
    x = 29,255.31

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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.