Home / 30,168.10-41,630.08-18,224.38

Finding the Fourth Proportional to 30,168.10, 41,630.08 and 18,224.38

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Solution

The fourth proportional to 30,168.10, 41,630.08 and 18,224.38 is: 25,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.10 : 41,630.08 = 18,224.38 : x
  2. Step 2: Convert to fraction form
    30,168.10/41,630.08 = 18,224.38/x
  3. Step 3: Cross multiply
    30,168.10x = 41,630.08 × 18,224.38
  4. Step 4: Simplify right side
    30,168.10x = 758,682,397.35
  5. Step 5: Solve for x
    x = 758,682,397.35/30,168.10
  6. Step 6: Final answer
    x = 25,148.50

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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.