Home / 40,370.20-60,512.10-18,179.80

Finding the Fourth Proportional to 40,370.20, 60,512.10 and 18,179.80

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Solution

The fourth proportional to 40,370.20, 60,512.10 and 18,179.80 is: 27,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.20 : 60,512.10 = 18,179.80 : x
  2. Step 2: Convert to fraction form
    40,370.20/60,512.10 = 18,179.80/x
  3. Step 3: Cross multiply
    40,370.20x = 60,512.10 × 18,179.80
  4. Step 4: Simplify right side
    40,370.20x = 1,100,097,875.58
  5. Step 5: Solve for x
    x = 1,100,097,875.58/40,370.20
  6. Step 6: Final answer
    x = 27,250.25

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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.