Home / 30,131.85-41,584.41-16,707.32

Finding the Fourth Proportional to 30,131.85, 41,584.41 and 16,707.32

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Solution

The fourth proportional to 30,131.85, 41,584.41 and 16,707.32 is: 23,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.85 : 41,584.41 = 16,707.32 : x
  2. Step 2: Convert to fraction form
    30,131.85/41,584.41 = 16,707.32/x
  3. Step 3: Cross multiply
    30,131.85x = 41,584.41 × 16,707.32
  4. Step 4: Simplify right side
    30,131.85x = 694,763,836.96
  5. Step 5: Solve for x
    x = 694,763,836.96/30,131.85
  6. Step 6: Final answer
    x = 23,057.46

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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.