Home / 47,449.35-71,174.30-12,389.31

Finding the Fourth Proportional to 47,449.35, 71,174.30 and 12,389.31

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Solution

The fourth proportional to 47,449.35, 71,174.30 and 12,389.31 is: 18,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,449.35 : 71,174.30 = 12,389.31 : x
  2. Step 2: Convert to fraction form
    47,449.35/71,174.30 = 12,389.31/x
  3. Step 3: Cross multiply
    47,449.35x = 71,174.30 × 12,389.31
  4. Step 4: Simplify right side
    47,449.35x = 881,800,404.79
  5. Step 5: Solve for x
    x = 881,800,404.79/47,449.35
  6. Step 6: Final answer
    x = 18,584.04

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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.