Home / 30,418.43-41,975.33-16,805.88

Finding the Fourth Proportional to 30,418.43, 41,975.33 and 16,805.88

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Solution

The fourth proportional to 30,418.43, 41,975.33 and 16,805.88 is: 23,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.43 : 41,975.33 = 16,805.88 : x
  2. Step 2: Convert to fraction form
    30,418.43/41,975.33 = 16,805.88/x
  3. Step 3: Cross multiply
    30,418.43x = 41,975.33 × 16,805.88
  4. Step 4: Simplify right side
    30,418.43x = 705,432,274.91
  5. Step 5: Solve for x
    x = 705,432,274.91/30,418.43
  6. Step 6: Final answer
    x = 23,190.95

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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.