Home / 50,379.74-75,569.67-18,789.32

Finding the Fourth Proportional to 50,379.74, 75,569.67 and 18,789.32

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Solution

The fourth proportional to 50,379.74, 75,569.67 and 18,789.32 is: 28,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.74 : 75,569.67 = 18,789.32 : x
  2. Step 2: Convert to fraction form
    50,379.74/75,569.67 = 18,789.32/x
  3. Step 3: Cross multiply
    50,379.74x = 75,569.67 × 18,789.32
  4. Step 4: Simplify right side
    50,379.74x = 1,419,902,711.92
  5. Step 5: Solve for x
    x = 1,419,902,711.92/50,379.74
  6. Step 6: Final answer
    x = 28,184.00

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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.