Home / 30,329.52-41,855.99-16,900.79

Finding the Fourth Proportional to 30,329.52, 41,855.99 and 16,900.79

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Solution

The fourth proportional to 30,329.52, 41,855.99 and 16,900.79 is: 23,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.52 : 41,855.99 = 16,900.79 : x
  2. Step 2: Convert to fraction form
    30,329.52/41,855.99 = 16,900.79/x
  3. Step 3: Cross multiply
    30,329.52x = 41,855.99 × 16,900.79
  4. Step 4: Simplify right side
    30,329.52x = 707,399,003.45
  5. Step 5: Solve for x
    x = 707,399,003.45/30,329.52
  6. Step 6: Final answer
    x = 23,323.78

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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.