Home / 47,815.78-71,723.09-21,501.94

Finding the Fourth Proportional to 47,815.78, 71,723.09 and 21,501.94

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Solution

The fourth proportional to 47,815.78, 71,723.09 and 21,501.94 is: 32,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,815.78 : 71,723.09 = 21,501.94 : x
  2. Step 2: Convert to fraction form
    47,815.78/71,723.09 = 21,501.94/x
  3. Step 3: Cross multiply
    47,815.78x = 71,723.09 × 21,501.94
  4. Step 4: Simplify right side
    47,815.78x = 1,542,185,470.28
  5. Step 5: Solve for x
    x = 1,542,185,470.28/47,815.78
  6. Step 6: Final answer
    x = 32,252.65

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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.