Home / 51,285-76,940.48-15,748.08

Finding the Fourth Proportional to 51,285, 76,940.48 and 15,748.08

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Solution

The fourth proportional to 51,285, 76,940.48 and 15,748.08 is: 23,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285 : 76,940.48 = 15,748.08 : x
  2. Step 2: Convert to fraction form
    51,285/76,940.48 = 15,748.08/x
  3. Step 3: Cross multiply
    51,285x = 76,940.48 × 15,748.08
  4. Step 4: Simplify right side
    51,285x = 1,211,664,834.28
  5. Step 5: Solve for x
    x = 1,211,664,834.28/51,285
  6. Step 6: Final answer
    x = 23,626.11

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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.