Home / 50,990.58-76,474.32-19,389.38

Finding the Fourth Proportional to 50,990.58, 76,474.32 and 19,389.38

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Solution

The fourth proportional to 50,990.58, 76,474.32 and 19,389.38 is: 29,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.58 : 76,474.32 = 19,389.38 : x
  2. Step 2: Convert to fraction form
    50,990.58/76,474.32 = 19,389.38/x
  3. Step 3: Cross multiply
    50,990.58x = 76,474.32 × 19,389.38
  4. Step 4: Simplify right side
    50,990.58x = 1,482,789,268.35
  5. Step 5: Solve for x
    x = 1,482,789,268.35/50,990.58
  6. Step 6: Final answer
    x = 29,079.67

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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.