Home / 50,991.58-76,475.82-19,390.38

Finding the Fourth Proportional to 50,991.58, 76,475.82 and 19,390.38

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Solution

The fourth proportional to 50,991.58, 76,475.82 and 19,390.38 is: 29,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.58 : 76,475.82 = 19,390.38 : x
  2. Step 2: Convert to fraction form
    50,991.58/76,475.82 = 19,390.38/x
  3. Step 3: Cross multiply
    50,991.58x = 76,475.82 × 19,390.38
  4. Step 4: Simplify right side
    50,991.58x = 1,482,894,828.23
  5. Step 5: Solve for x
    x = 1,482,894,828.23/50,991.58
  6. Step 6: Final answer
    x = 29,081.17

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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.