Home / 31,186.36-43,037.94-17,039.80

Finding the Fourth Proportional to 31,186.36, 43,037.94 and 17,039.80

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Solution

The fourth proportional to 31,186.36, 43,037.94 and 17,039.80 is: 23,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.36 : 43,037.94 = 17,039.80 : x
  2. Step 2: Convert to fraction form
    31,186.36/43,037.94 = 17,039.80/x
  3. Step 3: Cross multiply
    31,186.36x = 43,037.94 × 17,039.80
  4. Step 4: Simplify right side
    31,186.36x = 733,357,890.01
  5. Step 5: Solve for x
    x = 733,357,890.01/31,186.36
  6. Step 6: Final answer
    x = 23,515.34

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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.