Home / 51,102-76,631.10-17,812.21

Finding the Fourth Proportional to 51,102, 76,631.10 and 17,812.21

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Solution

The fourth proportional to 51,102, 76,631.10 and 17,812.21 is: 26,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102 : 76,631.10 = 17,812.21 : x
  2. Step 2: Convert to fraction form
    51,102/76,631.10 = 17,812.21/x
  3. Step 3: Cross multiply
    51,102x = 76,631.10 × 17,812.21
  4. Step 4: Simplify right side
    51,102x = 1,364,969,245.73
  5. Step 5: Solve for x
    x = 1,364,969,245.73/51,102
  6. Step 6: Final answer
    x = 26,710.68

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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.