Home / 41,018.99-61,529.81-12,939.31

Finding the Fourth Proportional to 41,018.99, 61,529.81 and 12,939.31

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Solution

The fourth proportional to 41,018.99, 61,529.81 and 12,939.31 is: 19,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,018.99 : 61,529.81 = 12,939.31 : x
  2. Step 2: Convert to fraction form
    41,018.99/61,529.81 = 12,939.31/x
  3. Step 3: Cross multiply
    41,018.99x = 61,529.81 × 12,939.31
  4. Step 4: Simplify right side
    41,018.99x = 796,153,067.31
  5. Step 5: Solve for x
    x = 796,153,067.31/41,018.99
  6. Step 6: Final answer
    x = 19,409.38

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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.