Home / 49,212.02-67,912.20-27,991.28

Finding the Fourth Proportional to 49,212.02, 67,912.20 and 27,991.28

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Solution

The fourth proportional to 49,212.02, 67,912.20 and 27,991.28 is: 38,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212.02 : 67,912.20 = 27,991.28 : x
  2. Step 2: Convert to fraction form
    49,212.02/67,912.20 = 27,991.28/x
  3. Step 3: Cross multiply
    49,212.02x = 67,912.20 × 27,991.28
  4. Step 4: Simplify right side
    49,212.02x = 1,900,949,405.62
  5. Step 5: Solve for x
    x = 1,900,949,405.62/49,212.02
  6. Step 6: Final answer
    x = 38,627.75

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1.5x scale

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.