Home / 30,393.87-41,945.16-16,968.43

Finding the Fourth Proportional to 30,393.87, 41,945.16 and 16,968.43

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Solution

The fourth proportional to 30,393.87, 41,945.16 and 16,968.43 is: 23,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.87 : 41,945.16 = 16,968.43 : x
  2. Step 2: Convert to fraction form
    30,393.87/41,945.16 = 16,968.43/x
  3. Step 3: Cross multiply
    30,393.87x = 41,945.16 × 16,968.43
  4. Step 4: Simplify right side
    30,393.87x = 711,743,511.30
  5. Step 5: Solve for x
    x = 711,743,511.30/30,393.87
  6. Step 6: Final answer
    x = 23,417.34

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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.