Home / 47,769.56-71,654.25-12,709.22

Finding the Fourth Proportional to 47,769.56, 71,654.25 and 12,709.22

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Solution

The fourth proportional to 47,769.56, 71,654.25 and 12,709.22 is: 19,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.56 : 71,654.25 = 12,709.22 : x
  2. Step 2: Convert to fraction form
    47,769.56/71,654.25 = 12,709.22/x
  3. Step 3: Cross multiply
    47,769.56x = 71,654.25 × 12,709.22
  4. Step 4: Simplify right side
    47,769.56x = 910,669,627.19
  5. Step 5: Solve for x
    x = 910,669,627.19/47,769.56
  6. Step 6: Final answer
    x = 19,063.81

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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.