Home / 55,234.20-82,883.70-20,177.40

Finding the Fourth Proportional to 55,234.20, 82,883.70 and 20,177.40

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Solution

The fourth proportional to 55,234.20, 82,883.70 and 20,177.40 is: 30,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.20 : 82,883.70 = 20,177.40 : x
  2. Step 2: Convert to fraction form
    55,234.20/82,883.70 = 20,177.40/x
  3. Step 3: Cross multiply
    55,234.20x = 82,883.70 × 20,177.40
  4. Step 4: Simplify right side
    55,234.20x = 1,672,377,568.38
  5. Step 5: Solve for x
    x = 1,672,377,568.38/55,234.20
  6. Step 6: Final answer
    x = 30,277.94

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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.