Home / 49,669.80-68,539.14-28,449.96

Finding the Fourth Proportional to 49,669.80, 68,539.14 and 28,449.96

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Solution

The fourth proportional to 49,669.80, 68,539.14 and 28,449.96 is: 39,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,669.80 : 68,539.14 = 28,449.96 : x
  2. Step 2: Convert to fraction form
    49,669.80/68,539.14 = 28,449.96/x
  3. Step 3: Cross multiply
    49,669.80x = 68,539.14 × 28,449.96
  4. Step 4: Simplify right side
    49,669.80x = 1,949,935,791.43
  5. Step 5: Solve for x
    x = 1,949,935,791.43/49,669.80
  6. Step 6: Final answer
    x = 39,257.98

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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.