Home / 47,513.48-71,243.76-19,453.20

Finding the Fourth Proportional to 47,513.48, 71,243.76 and 19,453.20

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Solution

The fourth proportional to 47,513.48, 71,243.76 and 19,453.20 is: 29,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,513.48 : 71,243.76 = 19,453.20 : x
  2. Step 2: Convert to fraction form
    47,513.48/71,243.76 = 19,453.20/x
  3. Step 3: Cross multiply
    47,513.48x = 71,243.76 × 19,453.20
  4. Step 4: Simplify right side
    47,513.48x = 1,385,919,112.03
  5. Step 5: Solve for x
    x = 1,385,919,112.03/47,513.48
  6. Step 6: Final answer
    x = 29,168.97

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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.