Home / 55,126.20-82,766.10-34,390.20

Finding the Fourth Proportional to 55,126.20, 82,766.10 and 34,390.20

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Solution

The fourth proportional to 55,126.20, 82,766.10 and 34,390.20 is: 51,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126.20 : 82,766.10 = 34,390.20 : x
  2. Step 2: Convert to fraction form
    55,126.20/82,766.10 = 34,390.20/x
  3. Step 3: Cross multiply
    55,126.20x = 82,766.10 × 34,390.20
  4. Step 4: Simplify right side
    55,126.20x = 2,846,342,732.22
  5. Step 5: Solve for x
    x = 2,846,342,732.22/55,126.20
  6. Step 6: Final answer
    x = 51,633.21

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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.