Home / 49,486.44-68,283.84-28,261.20

Finding the Fourth Proportional to 49,486.44, 68,283.84 and 28,261.20

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Solution

The fourth proportional to 49,486.44, 68,283.84 and 28,261.20 is: 38,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,486.44 : 68,283.84 = 28,261.20 : x
  2. Step 2: Convert to fraction form
    49,486.44/68,283.84 = 28,261.20/x
  3. Step 3: Cross multiply
    49,486.44x = 68,283.84 × 28,261.20
  4. Step 4: Simplify right side
    49,486.44x = 1,929,783,259.01
  5. Step 5: Solve for x
    x = 1,929,783,259.01/49,486.44
  6. Step 6: Final answer
    x = 38,996.20

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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.