Home / 31,764.02-44,035.11-30,078.74

Finding the Fourth Proportional to 31,764.02, 44,035.11 and 30,078.74

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Solution

The fourth proportional to 31,764.02, 44,035.11 and 30,078.74 is: 41,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.02 : 44,035.11 = 30,078.74 : x
  2. Step 2: Convert to fraction form
    31,764.02/44,035.11 = 30,078.74/x
  3. Step 3: Cross multiply
    31,764.02x = 44,035.11 × 30,078.74
  4. Step 4: Simplify right side
    31,764.02x = 1,324,520,734.65
  5. Step 5: Solve for x
    x = 1,324,520,734.65/31,764.02
  6. Step 6: Final answer
    x = 41,698.78

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.