Home / 52,815.94-79,168.20-19,514.68

Finding the Fourth Proportional to 52,815.94, 79,168.20 and 19,514.68

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Solution

The fourth proportional to 52,815.94, 79,168.20 and 19,514.68 is: 29,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.94 : 79,168.20 = 19,514.68 : x
  2. Step 2: Convert to fraction form
    52,815.94/79,168.20 = 19,514.68/x
  3. Step 3: Cross multiply
    52,815.94x = 79,168.20 × 19,514.68
  4. Step 4: Simplify right side
    52,815.94x = 1,544,942,089.18
  5. Step 5: Solve for x
    x = 1,544,942,089.18/52,815.94
  6. Step 6: Final answer
    x = 29,251.44

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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.