Home / 30,013.75-41,418.98-16,765.75

Finding the Fourth Proportional to 30,013.75, 41,418.98 and 16,765.75

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Solution

The fourth proportional to 30,013.75, 41,418.98 and 16,765.75 is: 23,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.75 : 41,418.98 = 16,765.75 : x
  2. Step 2: Convert to fraction form
    30,013.75/41,418.98 = 16,765.75/x
  3. Step 3: Cross multiply
    30,013.75x = 41,418.98 × 16,765.75
  4. Step 4: Simplify right side
    30,013.75x = 694,420,263.94
  5. Step 5: Solve for x
    x = 694,420,263.94/30,013.75
  6. Step 6: Final answer
    x = 23,136.74

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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.