Home / 30,321.03-41,839.39-17,399.64

Finding the Fourth Proportional to 30,321.03, 41,839.39 and 17,399.64

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Solution

The fourth proportional to 30,321.03, 41,839.39 and 17,399.64 is: 24,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.03 : 41,839.39 = 17,399.64 : x
  2. Step 2: Convert to fraction form
    30,321.03/41,839.39 = 17,399.64/x
  3. Step 3: Cross multiply
    30,321.03x = 41,839.39 × 17,399.64
  4. Step 4: Simplify right side
    30,321.03x = 727,990,239.01
  5. Step 5: Solve for x
    x = 727,990,239.01/30,321.03
  6. Step 6: Final answer
    x = 24,009.42

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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.