Home / 55,837.67-83,764.81-18,390.83

Finding the Fourth Proportional to 55,837.67, 83,764.81 and 18,390.83

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Solution

The fourth proportional to 55,837.67, 83,764.81 and 18,390.83 is: 27,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,837.67 : 83,764.81 = 18,390.83 : x
  2. Step 2: Convert to fraction form
    55,837.67/83,764.81 = 18,390.83/x
  3. Step 3: Cross multiply
    55,837.67x = 83,764.81 × 18,390.83
  4. Step 4: Simplify right side
    55,837.67x = 1,540,504,613.09
  5. Step 5: Solve for x
    x = 1,540,504,613.09/55,837.67
  6. Step 6: Final answer
    x = 27,588.98

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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.