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Finding the Fourth Proportional to 43,891.93, 65,799.01 and 32,785.21

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Solution

The fourth proportional to 43,891.93, 65,799.01 and 32,785.21 is: 49,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,891.93 : 65,799.01 = 32,785.21 : x
  2. Step 2: Convert to fraction form
    43,891.93/65,799.01 = 32,785.21/x
  3. Step 3: Cross multiply
    43,891.93x = 65,799.01 × 32,785.21
  4. Step 4: Simplify right side
    43,891.93x = 2,157,234,360.64
  5. Step 5: Solve for x
    x = 2,157,234,360.64/43,891.93
  6. Step 6: Final answer
    x = 49,148.77

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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.