Home / 76,968.08-115,458.92-21,564.24

Finding the Fourth Proportional to 76,968.08, 115,458.92 and 21,564.24

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Solution

The fourth proportional to 76,968.08, 115,458.92 and 21,564.24 is: 32,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,968.08 : 115,458.92 = 21,564.24 : x
  2. Step 2: Convert to fraction form
    76,968.08/115,458.92 = 21,564.24/x
  3. Step 3: Cross multiply
    76,968.08x = 115,458.92 × 21,564.24
  4. Step 4: Simplify right side
    76,968.08x = 2,489,783,861.02
  5. Step 5: Solve for x
    x = 2,489,783,861.02/76,968.08
  6. Step 6: Final answer
    x = 32,348.27

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1.5x scale

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.