Home / 30,994.35-42,771.99-16,847.19

Finding the Fourth Proportional to 30,994.35, 42,771.99 and 16,847.19

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Solution

The fourth proportional to 30,994.35, 42,771.99 and 16,847.19 is: 23,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.35 : 42,771.99 = 16,847.19 : x
  2. Step 2: Convert to fraction form
    30,994.35/42,771.99 = 16,847.19/x
  3. Step 3: Cross multiply
    30,994.35x = 42,771.99 × 16,847.19
  4. Step 4: Simplify right side
    30,994.35x = 720,587,842.21
  5. Step 5: Solve for x
    x = 720,587,842.21/30,994.35
  6. Step 6: Final answer
    x = 23,249.01

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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.