Home / 30,078.69-41,504.24-16,649.91

Finding the Fourth Proportional to 30,078.69, 41,504.24 and 16,649.91

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Solution

The fourth proportional to 30,078.69, 41,504.24 and 16,649.91 is: 22,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.69 : 41,504.24 = 16,649.91 : x
  2. Step 2: Convert to fraction form
    30,078.69/41,504.24 = 16,649.91/x
  3. Step 3: Cross multiply
    30,078.69x = 41,504.24 × 16,649.91
  4. Step 4: Simplify right side
    30,078.69x = 691,041,860.62
  5. Step 5: Solve for x
    x = 691,041,860.62/30,078.69
  6. Step 6: Final answer
    x = 22,974.47

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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.