Home / 30,016.49-45,010.61-17,540.12

Finding the Fourth Proportional to 30,016.49, 45,010.61 and 17,540.12

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Solution

The fourth proportional to 30,016.49, 45,010.61 and 17,540.12 is: 26,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.49 : 45,010.61 = 17,540.12 : x
  2. Step 2: Convert to fraction form
    30,016.49/45,010.61 = 17,540.12/x
  3. Step 3: Cross multiply
    30,016.49x = 45,010.61 × 17,540.12
  4. Step 4: Simplify right side
    30,016.49x = 789,491,525.50
  5. Step 5: Solve for x
    x = 789,491,525.50/30,016.49
  6. Step 6: Final answer
    x = 26,301.92

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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.