Home / 45,680.40-68,520.60-16,131.60

Finding the Fourth Proportional to 45,680.40, 68,520.60 and 16,131.60

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Solution

The fourth proportional to 45,680.40, 68,520.60 and 16,131.60 is: 24,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,680.40 : 68,520.60 = 16,131.60 : x
  2. Step 2: Convert to fraction form
    45,680.40/68,520.60 = 16,131.60/x
  3. Step 3: Cross multiply
    45,680.40x = 68,520.60 × 16,131.60
  4. Step 4: Simplify right side
    45,680.40x = 1,105,346,910.96
  5. Step 5: Solve for x
    x = 1,105,346,910.96/45,680.40
  6. Step 6: Final answer
    x = 24,197.40

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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.