Home / 47,020.75-70,481.50-15,422.54

Finding the Fourth Proportional to 47,020.75, 70,481.50 and 15,422.54

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Solution

The fourth proportional to 47,020.75, 70,481.50 and 15,422.54 is: 23,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.75 : 70,481.50 = 15,422.54 : x
  2. Step 2: Convert to fraction form
    47,020.75/70,481.50 = 15,422.54/x
  3. Step 3: Cross multiply
    47,020.75x = 70,481.50 × 15,422.54
  4. Step 4: Simplify right side
    47,020.75x = 1,087,003,753.01
  5. Step 5: Solve for x
    x = 1,087,003,753.01/47,020.75
  6. Step 6: Final answer
    x = 23,117.53

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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.