Home / 30,736.80-46,105.20-30,518.10

Finding the Fourth Proportional to 30,736.80, 46,105.20 and 30,518.10

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Solution

The fourth proportional to 30,736.80, 46,105.20 and 30,518.10 is: 45,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.80 : 46,105.20 = 30,518.10 : x
  2. Step 2: Convert to fraction form
    30,736.80/46,105.20 = 30,518.10/x
  3. Step 3: Cross multiply
    30,736.80x = 46,105.20 × 30,518.10
  4. Step 4: Simplify right side
    30,736.80x = 1,407,043,104.12
  5. Step 5: Solve for x
    x = 1,407,043,104.12/30,736.80
  6. Step 6: Final answer
    x = 45,777.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.