Home / 30,199.40-41,675.55-16,771.49

Finding the Fourth Proportional to 30,199.40, 41,675.55 and 16,771.49

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Solution

The fourth proportional to 30,199.40, 41,675.55 and 16,771.49 is: 23,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.40 : 41,675.55 = 16,771.49 : x
  2. Step 2: Convert to fraction form
    30,199.40/41,675.55 = 16,771.49/x
  3. Step 3: Cross multiply
    30,199.40x = 41,675.55 × 16,771.49
  4. Step 4: Simplify right side
    30,199.40x = 698,961,070.07
  5. Step 5: Solve for x
    x = 698,961,070.07/30,199.40
  6. Step 6: Final answer
    x = 23,144.87

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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.