Home / 30,102.44-41,540.91-16,490.38

Finding the Fourth Proportional to 30,102.44, 41,540.91 and 16,490.38

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Solution

The fourth proportional to 30,102.44, 41,540.91 and 16,490.38 is: 22,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.44 : 41,540.91 = 16,490.38 : x
  2. Step 2: Convert to fraction form
    30,102.44/41,540.91 = 16,490.38/x
  3. Step 3: Cross multiply
    30,102.44x = 41,540.91 × 16,490.38
  4. Step 4: Simplify right side
    30,102.44x = 685,025,391.45
  5. Step 5: Solve for x
    x = 685,025,391.45/30,102.44
  6. Step 6: Final answer
    x = 22,756.47

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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.