Home / 41,025.64-61,538.46-12,945.78

Finding the Fourth Proportional to 41,025.64, 61,538.46 and 12,945.78

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Solution

The fourth proportional to 41,025.64, 61,538.46 and 12,945.78 is: 19,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,025.64 : 61,538.46 = 12,945.78 : x
  2. Step 2: Convert to fraction form
    41,025.64/61,538.46 = 12,945.78/x
  3. Step 3: Cross multiply
    41,025.64x = 61,538.46 × 12,945.78
  4. Step 4: Simplify right side
    41,025.64x = 796,663,364.70
  5. Step 5: Solve for x
    x = 796,663,364.70/41,025.64
  6. Step 6: Final answer
    x = 19,418.67

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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.