Home / 49,640.58-68,502.78-28,418.04

Finding the Fourth Proportional to 49,640.58, 68,502.78 and 28,418.04

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Solution

The fourth proportional to 49,640.58, 68,502.78 and 28,418.04 is: 39,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.58 : 68,502.78 = 28,418.04 : x
  2. Step 2: Convert to fraction form
    49,640.58/68,502.78 = 28,418.04/x
  3. Step 3: Cross multiply
    49,640.58x = 68,502.78 × 28,418.04
  4. Step 4: Simplify right side
    49,640.58x = 1,946,714,742.15
  5. Step 5: Solve for x
    x = 1,946,714,742.15/49,640.58
  6. Step 6: Final answer
    x = 39,216.20

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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.