Home / 34,077.21-51,112.87-20,746.75

Finding the Fourth Proportional to 34,077.21, 51,112.87 and 20,746.75

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Solution

The fourth proportional to 34,077.21, 51,112.87 and 20,746.75 is: 31,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,077.21 : 51,112.87 = 20,746.75 : x
  2. Step 2: Convert to fraction form
    34,077.21/51,112.87 = 20,746.75/x
  3. Step 3: Cross multiply
    34,077.21x = 51,112.87 × 20,746.75
  4. Step 4: Simplify right side
    34,077.21x = 1,060,425,865.77
  5. Step 5: Solve for x
    x = 1,060,425,865.77/34,077.21
  6. Step 6: Final answer
    x = 31,118.33

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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.