Home / 52,768.44-79,151.67-21,185.64

Finding the Fourth Proportional to 52,768.44, 79,151.67 and 21,185.64

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Solution

The fourth proportional to 52,768.44, 79,151.67 and 21,185.64 is: 31,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.44 : 79,151.67 = 21,185.64 : x
  2. Step 2: Convert to fraction form
    52,768.44/79,151.67 = 21,185.64/x
  3. Step 3: Cross multiply
    52,768.44x = 79,151.67 × 21,185.64
  4. Step 4: Simplify right side
    52,768.44x = 1,676,878,786.02
  5. Step 5: Solve for x
    x = 1,676,878,786.02/52,768.44
  6. Step 6: Final answer
    x = 31,778.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.