Home / 47,851.56-71,771.76-12,793.95

Finding the Fourth Proportional to 47,851.56, 71,771.76 and 12,793.95

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Solution

The fourth proportional to 47,851.56, 71,771.76 and 12,793.95 is: 19,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.56 : 71,771.76 = 12,793.95 : x
  2. Step 2: Convert to fraction form
    47,851.56/71,771.76 = 12,793.95/x
  3. Step 3: Cross multiply
    47,851.56x = 71,771.76 × 12,793.95
  4. Step 4: Simplify right side
    47,851.56x = 918,244,308.85
  5. Step 5: Solve for x
    x = 918,244,308.85/47,851.56
  6. Step 6: Final answer
    x = 19,189.43

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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.