Home / 47,506.76-71,261.96-21,211.73

Finding the Fourth Proportional to 47,506.76, 71,261.96 and 21,211.73

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Solution

The fourth proportional to 47,506.76, 71,261.96 and 21,211.73 is: 31,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,506.76 : 71,261.96 = 21,211.73 : x
  2. Step 2: Convert to fraction form
    47,506.76/71,261.96 = 21,211.73/x
  3. Step 3: Cross multiply
    47,506.76x = 71,261.96 × 21,211.73
  4. Step 4: Simplify right side
    47,506.76x = 1,511,589,392.23
  5. Step 5: Solve for x
    x = 1,511,589,392.23/47,506.76
  6. Step 6: Final answer
    x = 31,818.41

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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.