Home / 49,430.25-68,217.39-30,571.02

Finding the Fourth Proportional to 49,430.25, 68,217.39 and 30,571.02

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Solution

The fourth proportional to 49,430.25, 68,217.39 and 30,571.02 is: 42,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.25 : 68,217.39 = 30,571.02 : x
  2. Step 2: Convert to fraction form
    49,430.25/68,217.39 = 30,571.02/x
  3. Step 3: Cross multiply
    49,430.25x = 68,217.39 × 30,571.02
  4. Step 4: Simplify right side
    49,430.25x = 2,085,475,194.04
  5. Step 5: Solve for x
    x = 2,085,475,194.04/49,430.25
  6. Step 6: Final answer
    x = 42,190.26

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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.