Home / 49,020.78-73,539.26-19,438.76

Finding the Fourth Proportional to 49,020.78, 73,539.26 and 19,438.76

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Solution

The fourth proportional to 49,020.78, 73,539.26 and 19,438.76 is: 29,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,020.78 : 73,539.26 = 19,438.76 : x
  2. Step 2: Convert to fraction form
    49,020.78/73,539.26 = 19,438.76/x
  3. Step 3: Cross multiply
    49,020.78x = 73,539.26 × 19,438.76
  4. Step 4: Simplify right side
    49,020.78x = 1,429,512,025.72
  5. Step 5: Solve for x
    x = 1,429,512,025.72/49,020.78
  6. Step 6: Final answer
    x = 29,161.35

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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.