Home / 30,618.78-45,832.74-23,580.54

Finding the Fourth Proportional to 30,618.78, 45,832.74 and 23,580.54

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Solution

The fourth proportional to 30,618.78, 45,832.74 and 23,580.54 is: 35,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618.78 : 45,832.74 = 23,580.54 : x
  2. Step 2: Convert to fraction form
    30,618.78/45,832.74 = 23,580.54/x
  3. Step 3: Cross multiply
    30,618.78x = 45,832.74 × 23,580.54
  4. Step 4: Simplify right side
    30,618.78x = 1,080,760,758.88
  5. Step 5: Solve for x
    x = 1,080,760,758.88/30,618.78
  6. Step 6: Final answer
    x = 35,297.32

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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.