Home / 49,869.04-68,817.70-28,361.12

Finding the Fourth Proportional to 49,869.04, 68,817.70 and 28,361.12

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Solution

The fourth proportional to 49,869.04, 68,817.70 and 28,361.12 is: 39,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.04 : 68,817.70 = 28,361.12 : x
  2. Step 2: Convert to fraction form
    49,869.04/68,817.70 = 28,361.12/x
  3. Step 3: Cross multiply
    49,869.04x = 68,817.70 × 28,361.12
  4. Step 4: Simplify right side
    49,869.04x = 1,951,747,047.82
  5. Step 5: Solve for x
    x = 1,951,747,047.82/49,869.04
  6. Step 6: Final answer
    x = 39,137.45

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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.