Home / 47,811.78-71,717.09-21,497.94

Finding the Fourth Proportional to 47,811.78, 71,717.09 and 21,497.94

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Solution

The fourth proportional to 47,811.78, 71,717.09 and 21,497.94 is: 32,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.78 : 71,717.09 = 21,497.94 : x
  2. Step 2: Convert to fraction form
    47,811.78/71,717.09 = 21,497.94/x
  3. Step 3: Cross multiply
    47,811.78x = 71,717.09 × 21,497.94
  4. Step 4: Simplify right side
    47,811.78x = 1,541,769,590.30
  5. Step 5: Solve for x
    x = 1,541,769,590.30/47,811.78
  6. Step 6: Final answer
    x = 32,246.65

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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.