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Finding the Fourth Proportional to 62,283.25, 93,425.73 and 20,730.25

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Solution

The fourth proportional to 62,283.25, 93,425.73 and 20,730.25 is: 31,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,283.25 : 93,425.73 = 20,730.25 : x
  2. Step 2: Convert to fraction form
    62,283.25/93,425.73 = 20,730.25/x
  3. Step 3: Cross multiply
    62,283.25x = 93,425.73 × 20,730.25
  4. Step 4: Simplify right side
    62,283.25x = 1,936,738,739.33
  5. Step 5: Solve for x
    x = 1,936,738,739.33/62,283.25
  6. Step 6: Final answer
    x = 31,095.66

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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.