Home / 49,102.88-67,758.78-28,955.14

Finding the Fourth Proportional to 49,102.88, 67,758.78 and 28,955.14

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Solution

The fourth proportional to 49,102.88, 67,758.78 and 28,955.14 is: 39,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,102.88 : 67,758.78 = 28,955.14 : x
  2. Step 2: Convert to fraction form
    49,102.88/67,758.78 = 28,955.14/x
  3. Step 3: Cross multiply
    49,102.88x = 67,758.78 × 28,955.14
  4. Step 4: Simplify right side
    49,102.88x = 1,961,964,737.44
  5. Step 5: Solve for x
    x = 1,961,964,737.44/49,102.88
  6. Step 6: Final answer
    x = 39,956.21

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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.