Home / 55,170.08-82,704.94-20,101.76

Finding the Fourth Proportional to 55,170.08, 82,704.94 and 20,101.76

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Solution

The fourth proportional to 55,170.08, 82,704.94 and 20,101.76 is: 30,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.08 : 82,704.94 = 20,101.76 : x
  2. Step 2: Convert to fraction form
    55,170.08/82,704.94 = 20,101.76/x
  3. Step 3: Cross multiply
    55,170.08x = 82,704.94 × 20,101.76
  4. Step 4: Simplify right side
    55,170.08x = 1,662,514,854.69
  5. Step 5: Solve for x
    x = 1,662,514,854.69/55,170.08
  6. Step 6: Final answer
    x = 30,134.36

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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.