Home / 49,973.40-68,965.92-28,755.90

Finding the Fourth Proportional to 49,973.40, 68,965.92 and 28,755.90

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Solution

The fourth proportional to 49,973.40, 68,965.92 and 28,755.90 is: 39,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,973.40 : 68,965.92 = 28,755.90 : x
  2. Step 2: Convert to fraction form
    49,973.40/68,965.92 = 28,755.90/x
  3. Step 3: Cross multiply
    49,973.40x = 68,965.92 × 28,755.90
  4. Step 4: Simplify right side
    49,973.40x = 1,983,177,098.93
  5. Step 5: Solve for x
    x = 1,983,177,098.93/49,973.40
  6. Step 6: Final answer
    x = 39,684.65

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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.