Home / 30,238.87-41,729.58-16,811.37

Finding the Fourth Proportional to 30,238.87, 41,729.58 and 16,811.37

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Solution

The fourth proportional to 30,238.87, 41,729.58 and 16,811.37 is: 23,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.87 : 41,729.58 = 16,811.37 : x
  2. Step 2: Convert to fraction form
    30,238.87/41,729.58 = 16,811.37/x
  3. Step 3: Cross multiply
    30,238.87x = 41,729.58 × 16,811.37
  4. Step 4: Simplify right side
    30,238.87x = 701,531,409.32
  5. Step 5: Solve for x
    x = 701,531,409.32/30,238.87
  6. Step 6: Final answer
    x = 23,199.66

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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.