Home / 49,049.30-67,687.40-28,907.04

Finding the Fourth Proportional to 49,049.30, 67,687.40 and 28,907.04

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Solution

The fourth proportional to 49,049.30, 67,687.40 and 28,907.04 is: 39,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,049.30 : 67,687.40 = 28,907.04 : x
  2. Step 2: Convert to fraction form
    49,049.30/67,687.40 = 28,907.04/x
  3. Step 3: Cross multiply
    49,049.30x = 67,687.40 × 28,907.04
  4. Step 4: Simplify right side
    49,049.30x = 1,956,642,379.30
  5. Step 5: Solve for x
    x = 1,956,642,379.30/49,049.30
  6. Step 6: Final answer
    x = 39,891.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.