Home / 30,559.11-42,163.43-17,635.11

Finding the Fourth Proportional to 30,559.11, 42,163.43 and 17,635.11

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Solution

The fourth proportional to 30,559.11, 42,163.43 and 17,635.11 is: 24,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559.11 : 42,163.43 = 17,635.11 : x
  2. Step 2: Convert to fraction form
    30,559.11/42,163.43 = 17,635.11/x
  3. Step 3: Cross multiply
    30,559.11x = 42,163.43 × 17,635.11
  4. Step 4: Simplify right side
    30,559.11x = 743,556,515.21
  5. Step 5: Solve for x
    x = 743,556,515.21/30,559.11
  6. Step 6: Final answer
    x = 24,331.75

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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.