Home / 47,416.63-71,144.09-21,103.38

Finding the Fourth Proportional to 47,416.63, 71,144.09 and 21,103.38

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Solution

The fourth proportional to 47,416.63, 71,144.09 and 21,103.38 is: 31,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,416.63 : 71,144.09 = 21,103.38 : x
  2. Step 2: Convert to fraction form
    47,416.63/71,144.09 = 21,103.38/x
  3. Step 3: Cross multiply
    47,416.63x = 71,144.09 × 21,103.38
  4. Step 4: Simplify right side
    47,416.63x = 1,501,380,766.02
  5. Step 5: Solve for x
    x = 1,501,380,766.02/47,416.63
  6. Step 6: Final answer
    x = 31,663.59

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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.