Home / 34,758.22-52,129.32-20,722.20

Finding the Fourth Proportional to 34,758.22, 52,129.32 and 20,722.20

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Solution

The fourth proportional to 34,758.22, 52,129.32 and 20,722.20 is: 31,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,758.22 : 52,129.32 = 20,722.20 : x
  2. Step 2: Convert to fraction form
    34,758.22/52,129.32 = 20,722.20/x
  3. Step 3: Cross multiply
    34,758.22x = 52,129.32 × 20,722.20
  4. Step 4: Simplify right side
    34,758.22x = 1,080,234,194.90
  5. Step 5: Solve for x
    x = 1,080,234,194.90/34,758.22
  6. Step 6: Final answer
    x = 31,078.52

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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.