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Finding the Fourth Proportional to 74,608, 111,912 and 25,360

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Solution

The fourth proportional to 74,608, 111,912 and 25,360 is: 38,040

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,608 : 111,912 = 25,360 : x
  2. Step 2: Convert to fraction form
    74,608/111,912 = 25,360/x
  3. Step 3: Cross multiply
    74,608x = 111,912 × 25,360
  4. Step 4: Simplify right side
    74,608x = 2,838,088,320
  5. Step 5: Solve for x
    x = 2,838,088,320/74,608
  6. Step 6: Final answer
    x = 38,040

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.