Home / 36,678.09-55,016.67-11,717.80

Finding the Fourth Proportional to 36,678.09, 55,016.67 and 11,717.80

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Solution

The fourth proportional to 36,678.09, 55,016.67 and 11,717.80 is: 17,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.09 : 55,016.67 = 11,717.80 : x
  2. Step 2: Convert to fraction form
    36,678.09/55,016.67 = 11,717.80/x
  3. Step 3: Cross multiply
    36,678.09x = 55,016.67 × 11,717.80
  4. Step 4: Simplify right side
    36,678.09x = 644,674,335.73
  5. Step 5: Solve for x
    x = 644,674,335.73/36,678.09
  6. Step 6: Final answer
    x = 17,576.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.