Home / 50,379.36-69,516.18-30,231.96

Finding the Fourth Proportional to 50,379.36, 69,516.18 and 30,231.96

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Solution

The fourth proportional to 50,379.36, 69,516.18 and 30,231.96 is: 41,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.36 : 69,516.18 = 30,231.96 : x
  2. Step 2: Convert to fraction form
    50,379.36/69,516.18 = 30,231.96/x
  3. Step 3: Cross multiply
    50,379.36x = 69,516.18 × 30,231.96
  4. Step 4: Simplify right side
    50,379.36x = 2,101,610,373.11
  5. Step 5: Solve for x
    x = 2,101,610,373.11/50,379.36
  6. Step 6: Final answer
    x = 41,715.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.