Home / 47,739.92-71,653.61-47,561.31

Finding the Fourth Proportional to 47,739.92, 71,653.61 and 47,561.31

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Solution

The fourth proportional to 47,739.92, 71,653.61 and 47,561.31 is: 71,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,739.92 : 71,653.61 = 47,561.31 : x
  2. Step 2: Convert to fraction form
    47,739.92/71,653.61 = 47,561.31/x
  3. Step 3: Cross multiply
    47,739.92x = 71,653.61 × 47,561.31
  4. Step 4: Simplify right side
    47,739.92x = 3,407,939,676.73
  5. Step 5: Solve for x
    x = 3,407,939,676.73/47,739.92
  6. Step 6: Final answer
    x = 71,385.54

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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.