Home / 40,190.37-60,295.56-12,109.80

Finding the Fourth Proportional to 40,190.37, 60,295.56 and 12,109.80

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Solution

The fourth proportional to 40,190.37, 60,295.56 and 12,109.80 is: 18,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.37 : 60,295.56 = 12,109.80 : x
  2. Step 2: Convert to fraction form
    40,190.37/60,295.56 = 12,109.80/x
  3. Step 3: Cross multiply
    40,190.37x = 60,295.56 × 12,109.80
  4. Step 4: Simplify right side
    40,190.37x = 730,167,172.49
  5. Step 5: Solve for x
    x = 730,167,172.49/40,190.37
  6. Step 6: Final answer
    x = 18,167.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.