Home / 49,054.08-67,693.95-30,190.80

Finding the Fourth Proportional to 49,054.08, 67,693.95 and 30,190.80

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Solution

The fourth proportional to 49,054.08, 67,693.95 and 30,190.80 is: 41,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,054.08 : 67,693.95 = 30,190.80 : x
  2. Step 2: Convert to fraction form
    49,054.08/67,693.95 = 30,190.80/x
  3. Step 3: Cross multiply
    49,054.08x = 67,693.95 × 30,190.80
  4. Step 4: Simplify right side
    49,054.08x = 2,043,734,505.66
  5. Step 5: Solve for x
    x = 2,043,734,505.66/49,054.08
  6. Step 6: Final answer
    x = 41,662.89

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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.