Home / 30,119.97-41,563.67-16,690.44

Finding the Fourth Proportional to 30,119.97, 41,563.67 and 16,690.44

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Solution

The fourth proportional to 30,119.97, 41,563.67 and 16,690.44 is: 23,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.97 : 41,563.67 = 16,690.44 : x
  2. Step 2: Convert to fraction form
    30,119.97/41,563.67 = 16,690.44/x
  3. Step 3: Cross multiply
    30,119.97x = 41,563.67 × 16,690.44
  4. Step 4: Simplify right side
    30,119.97x = 693,715,774.22
  5. Step 5: Solve for x
    x = 693,715,774.22/30,119.97
  6. Step 6: Final answer
    x = 23,031.76

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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.