Home / 47,445.92-71,188.67-20,811.06

Finding the Fourth Proportional to 47,445.92, 71,188.67 and 20,811.06

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Solution

The fourth proportional to 47,445.92, 71,188.67 and 20,811.06 is: 31,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,445.92 : 71,188.67 = 20,811.06 : x
  2. Step 2: Convert to fraction form
    47,445.92/71,188.67 = 20,811.06/x
  3. Step 3: Cross multiply
    47,445.92x = 71,188.67 × 20,811.06
  4. Step 4: Simplify right side
    47,445.92x = 1,481,511,734.72
  5. Step 5: Solve for x
    x = 1,481,511,734.72/47,445.92
  6. Step 6: Final answer
    x = 31,225.27

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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.