Home / 30,187.80-41,659.30-16,759.32

Finding the Fourth Proportional to 30,187.80, 41,659.30 and 16,759.32

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Solution

The fourth proportional to 30,187.80, 41,659.30 and 16,759.32 is: 23,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.80 : 41,659.30 = 16,759.32 : x
  2. Step 2: Convert to fraction form
    30,187.80/41,659.30 = 16,759.32/x
  3. Step 3: Cross multiply
    30,187.80x = 41,659.30 × 16,759.32
  4. Step 4: Simplify right side
    30,187.80x = 698,181,539.68
  5. Step 5: Solve for x
    x = 698,181,539.68/30,187.80
  6. Step 6: Final answer
    x = 23,127.94

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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.