Home / 33,897.82-46,778.40-18,790.42

Finding the Fourth Proportional to 33,897.82, 46,778.40 and 18,790.42

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Solution

The fourth proportional to 33,897.82, 46,778.40 and 18,790.42 is: 25,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,897.82 : 46,778.40 = 18,790.42 : x
  2. Step 2: Convert to fraction form
    33,897.82/46,778.40 = 18,790.42/x
  3. Step 3: Cross multiply
    33,897.82x = 46,778.40 × 18,790.42
  4. Step 4: Simplify right side
    33,897.82x = 878,985,782.93
  5. Step 5: Solve for x
    x = 878,985,782.93/33,897.82
  6. Step 6: Final answer
    x = 25,930.45

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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.