Home / 55,177.74-82,758.24-20,117.43

Finding the Fourth Proportional to 55,177.74, 82,758.24 and 20,117.43

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Solution

The fourth proportional to 55,177.74, 82,758.24 and 20,117.43 is: 30,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.74 : 82,758.24 = 20,117.43 : x
  2. Step 2: Convert to fraction form
    55,177.74/82,758.24 = 20,117.43/x
  3. Step 3: Cross multiply
    55,177.74x = 82,758.24 × 20,117.43
  4. Step 4: Simplify right side
    55,177.74x = 1,664,883,100.12
  5. Step 5: Solve for x
    x = 1,664,883,100.12/55,177.74
  6. Step 6: Final answer
    x = 30,173.09

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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.