Home / 34,763.76-52,137.56-20,727.72

Finding the Fourth Proportional to 34,763.76, 52,137.56 and 20,727.72

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Solution

The fourth proportional to 34,763.76, 52,137.56 and 20,727.72 is: 31,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.76 : 52,137.56 = 20,727.72 : x
  2. Step 2: Convert to fraction form
    34,763.76/52,137.56 = 20,727.72/x
  3. Step 3: Cross multiply
    34,763.76x = 52,137.56 × 20,727.72
  4. Step 4: Simplify right side
    34,763.76x = 1,080,692,745.16
  5. Step 5: Solve for x
    x = 1,080,692,745.16/34,763.76
  6. Step 6: Final answer
    x = 31,086.76

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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.