Home / 30,078.88-41,512.57-17,161.34

Finding the Fourth Proportional to 30,078.88, 41,512.57 and 17,161.34

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Solution

The fourth proportional to 30,078.88, 41,512.57 and 17,161.34 is: 23,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.88 : 41,512.57 = 17,161.34 : x
  2. Step 2: Convert to fraction form
    30,078.88/41,512.57 = 17,161.34/x
  3. Step 3: Cross multiply
    30,078.88x = 41,512.57 × 17,161.34
  4. Step 4: Simplify right side
    30,078.88x = 712,411,071.35
  5. Step 5: Solve for x
    x = 712,411,071.35/30,078.88
  6. Step 6: Final answer
    x = 23,684.76

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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.