Home / 47,940.57-71,910.25-14,661.72

Finding the Fourth Proportional to 47,940.57, 71,910.25 and 14,661.72

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Solution

The fourth proportional to 47,940.57, 71,910.25 and 14,661.72 is: 21,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,940.57 : 71,910.25 = 14,661.72 : x
  2. Step 2: Convert to fraction form
    47,940.57/71,910.25 = 14,661.72/x
  3. Step 3: Cross multiply
    47,940.57x = 71,910.25 × 14,661.72
  4. Step 4: Simplify right side
    47,940.57x = 1,054,327,913.98
  5. Step 5: Solve for x
    x = 1,054,327,913.98/47,940.57
  6. Step 6: Final answer
    x = 21,992.39

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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.