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Finding the Fourth Proportional to 62,668.20, 93,924.52 and 31,044.20

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Solution

The fourth proportional to 62,668.20, 93,924.52 and 31,044.20 is: 46,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,668.20 : 93,924.52 = 31,044.20 : x
  2. Step 2: Convert to fraction form
    62,668.20/93,924.52 = 31,044.20/x
  3. Step 3: Cross multiply
    62,668.20x = 93,924.52 × 31,044.20
  4. Step 4: Simplify right side
    62,668.20x = 2,915,811,583.78
  5. Step 5: Solve for x
    x = 2,915,811,583.78/62,668.20
  6. Step 6: Final answer
    x = 46,527.77

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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.