Home / 30,067.18-41,492.09-16,638.43

Finding the Fourth Proportional to 30,067.18, 41,492.09 and 16,638.43

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Solution

The fourth proportional to 30,067.18, 41,492.09 and 16,638.43 is: 22,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.18 : 41,492.09 = 16,638.43 : x
  2. Step 2: Convert to fraction form
    30,067.18/41,492.09 = 16,638.43/x
  3. Step 3: Cross multiply
    30,067.18x = 41,492.09 × 16,638.43
  4. Step 4: Simplify right side
    30,067.18x = 690,363,048.10
  5. Step 5: Solve for x
    x = 690,363,048.10/30,067.18
  6. Step 6: Final answer
    x = 22,960.69

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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.