Home / 51,292.25-76,948.35-19,700

Finding the Fourth Proportional to 51,292.25, 76,948.35 and 19,700

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Solution

The fourth proportional to 51,292.25, 76,948.35 and 19,700 is: 29,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.25 : 76,948.35 = 19,700 : x
  2. Step 2: Convert to fraction form
    51,292.25/76,948.35 = 19,700/x
  3. Step 3: Cross multiply
    51,292.25x = 76,948.35 × 19,700
  4. Step 4: Simplify right side
    51,292.25x = 1,515,882,495
  5. Step 5: Solve for x
    x = 1,515,882,495/51,292.25
  6. Step 6: Final answer
    x = 29,553.83

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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.