Home / 51,400.26-77,111.19-21,817.44

Finding the Fourth Proportional to 51,400.26, 77,111.19 and 21,817.44

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Solution

The fourth proportional to 51,400.26, 77,111.19 and 21,817.44 is: 32,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,400.26 : 77,111.19 = 21,817.44 : x
  2. Step 2: Convert to fraction form
    51,400.26/77,111.19 = 21,817.44/x
  3. Step 3: Cross multiply
    51,400.26x = 77,111.19 × 21,817.44
  4. Step 4: Simplify right side
    51,400.26x = 1,682,368,761.15
  5. Step 5: Solve for x
    x = 1,682,368,761.15/51,400.26
  6. Step 6: Final answer
    x = 32,730.74

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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.