Home / 49,640.15-68,531.70-32,693.64

Finding the Fourth Proportional to 49,640.15, 68,531.70 and 32,693.64

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Solution

The fourth proportional to 49,640.15, 68,531.70 and 32,693.64 is: 45,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.15 : 68,531.70 = 32,693.64 : x
  2. Step 2: Convert to fraction form
    49,640.15/68,531.70 = 32,693.64/x
  3. Step 3: Cross multiply
    49,640.15x = 68,531.70 × 32,693.64
  4. Step 4: Simplify right side
    49,640.15x = 2,240,550,728.39
  5. Step 5: Solve for x
    x = 2,240,550,728.39/49,640.15
  6. Step 6: Final answer
    x = 45,135.86

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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.