Home / 51,850.33-77,805.66-21,862.68

Finding the Fourth Proportional to 51,850.33, 77,805.66 and 21,862.68

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Solution

The fourth proportional to 51,850.33, 77,805.66 and 21,862.68 is: 32,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850.33 : 77,805.66 = 21,862.68 : x
  2. Step 2: Convert to fraction form
    51,850.33/77,805.66 = 21,862.68/x
  3. Step 3: Cross multiply
    51,850.33x = 77,805.66 × 21,862.68
  4. Step 4: Simplify right side
    51,850.33x = 1,701,040,036.98
  5. Step 5: Solve for x
    x = 1,701,040,036.98/51,850.33
  6. Step 6: Final answer
    x = 32,806.74

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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.