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Finding the Fourth Proportional to 49,364, 68,122.32 and 26,702.99

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Solution

The fourth proportional to 49,364, 68,122.32 and 26,702.99 is: 36,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,364 : 68,122.32 = 26,702.99 : x
  2. Step 2: Convert to fraction form
    49,364/68,122.32 = 26,702.99/x
  3. Step 3: Cross multiply
    49,364x = 68,122.32 × 26,702.99
  4. Step 4: Simplify right side
    49,364x = 1,819,069,629.74
  5. Step 5: Solve for x
    x = 1,819,069,629.74/49,364
  6. Step 6: Final answer
    x = 36,850.13

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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.