Home / 49,896.42-68,868.90-28,688.04

Finding the Fourth Proportional to 49,896.42, 68,868.90 and 28,688.04

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Solution

The fourth proportional to 49,896.42, 68,868.90 and 28,688.04 is: 39,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.42 : 68,868.90 = 28,688.04 : x
  2. Step 2: Convert to fraction form
    49,896.42/68,868.90 = 28,688.04/x
  3. Step 3: Cross multiply
    49,896.42x = 68,868.90 × 28,688.04
  4. Step 4: Simplify right side
    49,896.42x = 1,975,713,757.96
  5. Step 5: Solve for x
    x = 1,975,713,757.96/49,896.42
  6. Step 6: Final answer
    x = 39,596.30

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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.