Home / 34,078.80-51,045.30-28,246.80

Finding the Fourth Proportional to 34,078.80, 51,045.30 and 28,246.80

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Solution

The fourth proportional to 34,078.80, 51,045.30 and 28,246.80 is: 42,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.80 : 51,045.30 = 28,246.80 : x
  2. Step 2: Convert to fraction form
    34,078.80/51,045.30 = 28,246.80/x
  3. Step 3: Cross multiply
    34,078.80x = 51,045.30 × 28,246.80
  4. Step 4: Simplify right side
    34,078.80x = 1,441,866,380.04
  5. Step 5: Solve for x
    x = 1,441,866,380.04/34,078.80
  6. Step 6: Final answer
    x = 42,309.78

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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.