Home / 31,185.66-43,036.83-17,039.38

Finding the Fourth Proportional to 31,185.66, 43,036.83 and 17,039.38

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Solution

The fourth proportional to 31,185.66, 43,036.83 and 17,039.38 is: 23,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.66 : 43,036.83 = 17,039.38 : x
  2. Step 2: Convert to fraction form
    31,185.66/43,036.83 = 17,039.38/x
  3. Step 3: Cross multiply
    31,185.66x = 43,036.83 × 17,039.38
  4. Step 4: Simplify right side
    31,185.66x = 733,320,900.37
  5. Step 5: Solve for x
    x = 733,320,900.37/31,185.66
  6. Step 6: Final answer
    x = 23,514.68

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1.5x scale

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.