Home / 47,785.93-65,954.62-30,311.95

Finding the Fourth Proportional to 47,785.93, 65,954.62 and 30,311.95

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Solution

The fourth proportional to 47,785.93, 65,954.62 and 30,311.95 is: 41,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,785.93 : 65,954.62 = 30,311.95 : x
  2. Step 2: Convert to fraction form
    47,785.93/65,954.62 = 30,311.95/x
  3. Step 3: Cross multiply
    47,785.93x = 65,954.62 × 30,311.95
  4. Step 4: Simplify right side
    47,785.93x = 1,999,213,361.79
  5. Step 5: Solve for x
    x = 1,999,213,361.79/47,785.93
  6. Step 6: Final answer
    x = 41,836.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.