Home / 38,145.88-52,647.42-22,239.64

Finding the Fourth Proportional to 38,145.88, 52,647.42 and 22,239.64

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Solution

The fourth proportional to 38,145.88, 52,647.42 and 22,239.64 is: 30,694.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145.88 : 52,647.42 = 22,239.64 : x
  2. Step 2: Convert to fraction form
    38,145.88/52,647.42 = 22,239.64/x
  3. Step 3: Cross multiply
    38,145.88x = 52,647.42 × 22,239.64
  4. Step 4: Simplify right side
    38,145.88x = 1,170,859,667.73
  5. Step 5: Solve for x
    x = 1,170,859,667.73/38,145.88
  6. Step 6: Final answer
    x = 30,694.26

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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.