Home / 30,199.32-41,679.36-17,628.12

Finding the Fourth Proportional to 30,199.32, 41,679.36 and 17,628.12

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Solution

The fourth proportional to 30,199.32, 41,679.36 and 17,628.12 is: 24,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.32 : 41,679.36 = 17,628.12 : x
  2. Step 2: Convert to fraction form
    30,199.32/41,679.36 = 17,628.12/x
  3. Step 3: Cross multiply
    30,199.32x = 41,679.36 × 17,628.12
  4. Step 4: Simplify right side
    30,199.32x = 734,728,759.60
  5. Step 5: Solve for x
    x = 734,728,759.60/30,199.32
  6. Step 6: Final answer
    x = 24,329.31

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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.