Home / 31,186.27-43,036.97-17,039.21

Finding the Fourth Proportional to 31,186.27, 43,036.97 and 17,039.21

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Solution

The fourth proportional to 31,186.27, 43,036.97 and 17,039.21 is: 23,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.27 : 43,036.97 = 17,039.21 : x
  2. Step 2: Convert to fraction form
    31,186.27/43,036.97 = 17,039.21/x
  3. Step 3: Cross multiply
    31,186.27x = 43,036.97 × 17,039.21
  4. Step 4: Simplify right side
    31,186.27x = 733,316,119.78
  5. Step 5: Solve for x
    x = 733,316,119.78/31,186.27
  6. Step 6: Final answer
    x = 23,514.07

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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.