Home / 47,631.44-71,421.24-19,922.96

Finding the Fourth Proportional to 47,631.44, 71,421.24 and 19,922.96

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Solution

The fourth proportional to 47,631.44, 71,421.24 and 19,922.96 is: 29,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,631.44 : 71,421.24 = 19,922.96 : x
  2. Step 2: Convert to fraction form
    47,631.44/71,421.24 = 19,922.96/x
  3. Step 3: Cross multiply
    47,631.44x = 71,421.24 × 19,922.96
  4. Step 4: Simplify right side
    47,631.44x = 1,422,922,507.67
  5. Step 5: Solve for x
    x = 1,422,922,507.67/47,631.44
  6. Step 6: Final answer
    x = 29,873.60

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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.