Home / 30,200.05-41,677.99-16,771.30

Finding the Fourth Proportional to 30,200.05, 41,677.99 and 16,771.30

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Solution

The fourth proportional to 30,200.05, 41,677.99 and 16,771.30 is: 23,145.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.05 : 41,677.99 = 16,771.30 : x
  2. Step 2: Convert to fraction form
    30,200.05/41,677.99 = 16,771.30/x
  3. Step 3: Cross multiply
    30,200.05x = 41,677.99 × 16,771.30
  4. Step 4: Simplify right side
    30,200.05x = 698,993,865.30
  5. Step 5: Solve for x
    x = 698,993,865.30/30,200.05
  6. Step 6: Final answer
    x = 23,145.46

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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.