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Finding the Fourth Proportional to 62,952.48, 86,874.84 and 34,658.64

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Solution

The fourth proportional to 62,952.48, 86,874.84 and 34,658.64 is: 47,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,952.48 : 86,874.84 = 34,658.64 : x
  2. Step 2: Convert to fraction form
    62,952.48/86,874.84 = 34,658.64/x
  3. Step 3: Cross multiply
    62,952.48x = 86,874.84 × 34,658.64
  4. Step 4: Simplify right side
    62,952.48x = 3,010,963,804.62
  5. Step 5: Solve for x
    x = 3,010,963,804.62/62,952.48
  6. Step 6: Final answer
    x = 47,829.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.