Home / 55,310.10-82,977.30-17,863.80

Finding the Fourth Proportional to 55,310.10, 82,977.30 and 17,863.80

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Solution

The fourth proportional to 55,310.10, 82,977.30 and 17,863.80 is: 26,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310.10 : 82,977.30 = 17,863.80 : x
  2. Step 2: Convert to fraction form
    55,310.10/82,977.30 = 17,863.80/x
  3. Step 3: Cross multiply
    55,310.10x = 82,977.30 × 17,863.80
  4. Step 4: Simplify right side
    55,310.10x = 1,482,289,891.74
  5. Step 5: Solve for x
    x = 1,482,289,891.74/55,310.10
  6. Step 6: Final answer
    x = 26,799.62

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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.