Home / 49,139.58-73,665.73-19,146.87

Finding the Fourth Proportional to 49,139.58, 73,665.73 and 19,146.87

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Solution

The fourth proportional to 49,139.58, 73,665.73 and 19,146.87 is: 28,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,139.58 : 73,665.73 = 19,146.87 : x
  2. Step 2: Convert to fraction form
    49,139.58/73,665.73 = 19,146.87/x
  3. Step 3: Cross multiply
    49,139.58x = 73,665.73 × 19,146.87
  4. Step 4: Simplify right side
    49,139.58x = 1,410,468,179.70
  5. Step 5: Solve for x
    x = 1,410,468,179.70/49,139.58
  6. Step 6: Final answer
    x = 28,703.30

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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.