Home / 30,540.45-45,758.07-23,874.36

Finding the Fourth Proportional to 30,540.45, 45,758.07 and 23,874.36

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Solution

The fourth proportional to 30,540.45, 45,758.07 and 23,874.36 is: 35,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.45 : 45,758.07 = 23,874.36 : x
  2. Step 2: Convert to fraction form
    30,540.45/45,758.07 = 23,874.36/x
  3. Step 3: Cross multiply
    30,540.45x = 45,758.07 × 23,874.36
  4. Step 4: Simplify right side
    30,540.45x = 1,092,444,636.09
  5. Step 5: Solve for x
    x = 1,092,444,636.09/30,540.45
  6. Step 6: Final answer
    x = 35,770.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.