Home / 51,640.92-77,361.12-30,241.92

Finding the Fourth Proportional to 51,640.92, 77,361.12 and 30,241.92

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Solution

The fourth proportional to 51,640.92, 77,361.12 and 30,241.92 is: 45,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,640.92 : 77,361.12 = 30,241.92 : x
  2. Step 2: Convert to fraction form
    51,640.92/77,361.12 = 30,241.92/x
  3. Step 3: Cross multiply
    51,640.92x = 77,361.12 × 30,241.92
  4. Step 4: Simplify right side
    51,640.92x = 2,339,548,802.15
  5. Step 5: Solve for x
    x = 2,339,548,802.15/51,640.92
  6. Step 6: Final answer
    x = 45,304.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.