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Finding the Fourth Proportional to 47,472.75, 71,224.71 and 19,416.39

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Solution

The fourth proportional to 47,472.75, 71,224.71 and 19,416.39 is: 29,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,472.75 : 71,224.71 = 19,416.39 : x
  2. Step 2: Convert to fraction form
    47,472.75/71,224.71 = 19,416.39/x
  3. Step 3: Cross multiply
    47,472.75x = 71,224.71 × 19,416.39
  4. Step 4: Simplify right side
    47,472.75x = 1,382,926,747.00
  5. Step 5: Solve for x
    x = 1,382,926,747.00/47,472.75
  6. Step 6: Final answer
    x = 29,130.96

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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.