Home / 50,991.12-76,441.32-19,819.08

Finding the Fourth Proportional to 50,991.12, 76,441.32 and 19,819.08

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Solution

The fourth proportional to 50,991.12, 76,441.32 and 19,819.08 is: 29,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.12 : 76,441.32 = 19,819.08 : x
  2. Step 2: Convert to fraction form
    50,991.12/76,441.32 = 19,819.08/x
  3. Step 3: Cross multiply
    50,991.12x = 76,441.32 × 19,819.08
  4. Step 4: Simplify right side
    50,991.12x = 1,514,996,636.39
  5. Step 5: Solve for x
    x = 1,514,996,636.39/50,991.12
  6. Step 6: Final answer
    x = 29,710.99

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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.