Home / 63,975.45-95,980.19-21,855.47

Finding the Fourth Proportional to 63,975.45, 95,980.19 and 21,855.47

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Solution

The fourth proportional to 63,975.45, 95,980.19 and 21,855.47 is: 32,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,975.45 : 95,980.19 = 21,855.47 : x
  2. Step 2: Convert to fraction form
    63,975.45/95,980.19 = 21,855.47/x
  3. Step 3: Cross multiply
    63,975.45x = 95,980.19 × 21,855.47
  4. Step 4: Simplify right side
    63,975.45x = 2,097,692,163.14
  5. Step 5: Solve for x
    x = 2,097,692,163.14/63,975.45
  6. Step 6: Final answer
    x = 32,789.02

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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.