Home / 30,308.12-41,825.16-16,880.54

Finding the Fourth Proportional to 30,308.12, 41,825.16 and 16,880.54

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Solution

The fourth proportional to 30,308.12, 41,825.16 and 16,880.54 is: 23,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308.12 : 41,825.16 = 16,880.54 : x
  2. Step 2: Convert to fraction form
    30,308.12/41,825.16 = 16,880.54/x
  3. Step 3: Cross multiply
    30,308.12x = 41,825.16 × 16,880.54
  4. Step 4: Simplify right side
    30,308.12x = 706,031,286.39
  5. Step 5: Solve for x
    x = 706,031,286.39/30,308.12
  6. Step 6: Final answer
    x = 23,295.12

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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.