Home / 30,258.82-45,388.21-9,199.03

Finding the Fourth Proportional to 30,258.82, 45,388.21 and 9,199.03

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Solution

The fourth proportional to 30,258.82, 45,388.21 and 9,199.03 is: 13,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.82 : 45,388.21 = 9,199.03 : x
  2. Step 2: Convert to fraction form
    30,258.82/45,388.21 = 9,199.03/x
  3. Step 3: Cross multiply
    30,258.82x = 45,388.21 × 9,199.03
  4. Step 4: Simplify right side
    30,258.82x = 417,527,505.44
  5. Step 5: Solve for x
    x = 417,527,505.44/30,258.82
  6. Step 6: Final answer
    x = 13,798.54

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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.