Home / 30,206.07-41,682.69-16,776.99

Finding the Fourth Proportional to 30,206.07, 41,682.69 and 16,776.99

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Solution

The fourth proportional to 30,206.07, 41,682.69 and 16,776.99 is: 23,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.07 : 41,682.69 = 16,776.99 : x
  2. Step 2: Convert to fraction form
    30,206.07/41,682.69 = 16,776.99/x
  3. Step 3: Cross multiply
    30,206.07x = 41,682.69 × 16,776.99
  4. Step 4: Simplify right side
    30,206.07x = 699,310,073.30
  5. Step 5: Solve for x
    x = 699,310,073.30/30,206.07
  6. Step 6: Final answer
    x = 23,151.31

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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.