Home / 49,476.20-68,278.02-28,257.80

Finding the Fourth Proportional to 49,476.20, 68,278.02 and 28,257.80

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Solution

The fourth proportional to 49,476.20, 68,278.02 and 28,257.80 is: 38,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,476.20 : 68,278.02 = 28,257.80 : x
  2. Step 2: Convert to fraction form
    49,476.20/68,278.02 = 28,257.80/x
  3. Step 3: Cross multiply
    49,476.20x = 68,278.02 × 28,257.80
  4. Step 4: Simplify right side
    49,476.20x = 1,929,386,633.56
  5. Step 5: Solve for x
    x = 1,929,386,633.56/49,476.20
  6. Step 6: Final answer
    x = 38,996.26

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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.