Home / 31,186.14-43,037.52-17,039.92

Finding the Fourth Proportional to 31,186.14, 43,037.52 and 17,039.92

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Solution

The fourth proportional to 31,186.14, 43,037.52 and 17,039.92 is: 23,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.14 : 43,037.52 = 17,039.92 : x
  2. Step 2: Convert to fraction form
    31,186.14/43,037.52 = 17,039.92/x
  3. Step 3: Cross multiply
    31,186.14x = 43,037.52 × 17,039.92
  4. Step 4: Simplify right side
    31,186.14x = 733,355,897.80
  5. Step 5: Solve for x
    x = 733,355,897.80/31,186.14
  6. Step 6: Final answer
    x = 23,515.44

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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.