Home / 55,164.27-82,758.70-20,103.93

Finding the Fourth Proportional to 55,164.27, 82,758.70 and 20,103.93

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Solution

The fourth proportional to 55,164.27, 82,758.70 and 20,103.93 is: 30,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164.27 : 82,758.70 = 20,103.93 : x
  2. Step 2: Convert to fraction form
    55,164.27/82,758.70 = 20,103.93/x
  3. Step 3: Cross multiply
    55,164.27x = 82,758.70 × 20,103.93
  4. Step 4: Simplify right side
    55,164.27x = 1,663,775,193.36
  5. Step 5: Solve for x
    x = 1,663,775,193.36/55,164.27
  6. Step 6: Final answer
    x = 30,160.38

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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.