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Finding the Fourth Proportional to 51,162.84, 76,758.84 and 37,136.88

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Solution

The fourth proportional to 51,162.84, 76,758.84 and 37,136.88 is: 55,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,162.84 : 76,758.84 = 37,136.88 : x
  2. Step 2: Convert to fraction form
    51,162.84/76,758.84 = 37,136.88/x
  3. Step 3: Cross multiply
    51,162.84x = 76,758.84 × 37,136.88
  4. Step 4: Simplify right side
    51,162.84x = 2,850,583,830.02
  5. Step 5: Solve for x
    x = 2,850,583,830.02/51,162.84
  6. Step 6: Final answer
    x = 55,715.90

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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.