Home / 49,485.20-68,292-27,129.20

Finding the Fourth Proportional to 49,485.20, 68,292 and 27,129.20

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Solution

The fourth proportional to 49,485.20, 68,292 and 27,129.20 is: 37,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485.20 : 68,292 = 27,129.20 : x
  2. Step 2: Convert to fraction form
    49,485.20/68,292 = 27,129.20/x
  3. Step 3: Cross multiply
    49,485.20x = 68,292 × 27,129.20
  4. Step 4: Simplify right side
    49,485.20x = 1,852,706,984.94
  5. Step 5: Solve for x
    x = 1,852,706,984.94/49,485.20
  6. Step 6: Final answer
    x = 37,439.62

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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.