Home / 31,186.65-43,037.49-17,039.59

Finding the Fourth Proportional to 31,186.65, 43,037.49 and 17,039.59

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Solution

The fourth proportional to 31,186.65, 43,037.49 and 17,039.59 is: 23,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.65 : 43,037.49 = 17,039.59 : x
  2. Step 2: Convert to fraction form
    31,186.65/43,037.49 = 17,039.59/x
  3. Step 3: Cross multiply
    31,186.65x = 43,037.49 × 17,039.59
  4. Step 4: Simplify right side
    31,186.65x = 733,341,184.23
  5. Step 5: Solve for x
    x = 733,341,184.23/31,186.65
  6. Step 6: Final answer
    x = 23,514.59

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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.