Home / 30,118.82-41,563.94-16,690.91

Finding the Fourth Proportional to 30,118.82, 41,563.94 and 16,690.91

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Solution

The fourth proportional to 30,118.82, 41,563.94 and 16,690.91 is: 23,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.82 : 41,563.94 = 16,690.91 : x
  2. Step 2: Convert to fraction form
    30,118.82/41,563.94 = 16,690.91/x
  3. Step 3: Cross multiply
    30,118.82x = 41,563.94 × 16,690.91
  4. Step 4: Simplify right side
    30,118.82x = 693,739,690.51
  5. Step 5: Solve for x
    x = 693,739,690.51/30,118.82
  6. Step 6: Final answer
    x = 23,033.43

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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.