Home / 52,727.52-79,120.44-21,584.64

Finding the Fourth Proportional to 52,727.52, 79,120.44 and 21,584.64

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Solution

The fourth proportional to 52,727.52, 79,120.44 and 21,584.64 is: 32,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,727.52 : 79,120.44 = 21,584.64 : x
  2. Step 2: Convert to fraction form
    52,727.52/79,120.44 = 21,584.64/x
  3. Step 3: Cross multiply
    52,727.52x = 79,120.44 × 21,584.64
  4. Step 4: Simplify right side
    52,727.52x = 1,707,786,214.04
  5. Step 5: Solve for x
    x = 1,707,786,214.04/52,727.52
  6. Step 6: Final answer
    x = 32,388.90

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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.