Home / 51,292.75-76,949.10-19,700.50

Finding the Fourth Proportional to 51,292.75, 76,949.10 and 19,700.50

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Solution

The fourth proportional to 51,292.75, 76,949.10 and 19,700.50 is: 29,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.75 : 76,949.10 = 19,700.50 : x
  2. Step 2: Convert to fraction form
    51,292.75/76,949.10 = 19,700.50/x
  3. Step 3: Cross multiply
    51,292.75x = 76,949.10 × 19,700.50
  4. Step 4: Simplify right side
    51,292.75x = 1,515,935,744.55
  5. Step 5: Solve for x
    x = 1,515,935,744.55/51,292.75
  6. Step 6: Final answer
    x = 29,554.58

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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.