Home / 47,914.03-71,884.92-19,828.90

Finding the Fourth Proportional to 47,914.03, 71,884.92 and 19,828.90

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Solution

The fourth proportional to 47,914.03, 71,884.92 and 19,828.90 is: 29,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,914.03 : 71,884.92 = 19,828.90 : x
  2. Step 2: Convert to fraction form
    47,914.03/71,884.92 = 19,828.90/x
  3. Step 3: Cross multiply
    47,914.03x = 71,884.92 × 19,828.90
  4. Step 4: Simplify right side
    47,914.03x = 1,425,398,890.19
  5. Step 5: Solve for x
    x = 1,425,398,890.19/47,914.03
  6. Step 6: Final answer
    x = 29,749.09

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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.