Home / 47,630.27-71,445.65-12,091.60

Finding the Fourth Proportional to 47,630.27, 71,445.65 and 12,091.60

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Solution

The fourth proportional to 47,630.27, 71,445.65 and 12,091.60 is: 18,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,630.27 : 71,445.65 = 12,091.60 : x
  2. Step 2: Convert to fraction form
    47,630.27/71,445.65 = 12,091.60/x
  3. Step 3: Cross multiply
    47,630.27x = 71,445.65 × 12,091.60
  4. Step 4: Simplify right side
    47,630.27x = 863,892,221.54
  5. Step 5: Solve for x
    x = 863,892,221.54/47,630.27
  6. Step 6: Final answer
    x = 18,137.46

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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.