Home / 51,823.20-77,696.40-22,216.80

Finding the Fourth Proportional to 51,823.20, 77,696.40 and 22,216.80

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Solution

The fourth proportional to 51,823.20, 77,696.40 and 22,216.80 is: 33,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.20 : 77,696.40 = 22,216.80 : x
  2. Step 2: Convert to fraction form
    51,823.20/77,696.40 = 22,216.80/x
  3. Step 3: Cross multiply
    51,823.20x = 77,696.40 × 22,216.80
  4. Step 4: Simplify right side
    51,823.20x = 1,726,165,379.52
  5. Step 5: Solve for x
    x = 1,726,165,379.52/51,823.20
  6. Step 6: Final answer
    x = 33,308.74

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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.