Home / 43,091.64-64,591.34-20,874.52

Finding the Fourth Proportional to 43,091.64, 64,591.34 and 20,874.52

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Solution

The fourth proportional to 43,091.64, 64,591.34 and 20,874.52 is: 31,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,091.64 : 64,591.34 = 20,874.52 : x
  2. Step 2: Convert to fraction form
    43,091.64/64,591.34 = 20,874.52/x
  3. Step 3: Cross multiply
    43,091.64x = 64,591.34 × 20,874.52
  4. Step 4: Simplify right side
    43,091.64x = 1,348,313,218.66
  5. Step 5: Solve for x
    x = 1,348,313,218.66/43,091.64
  6. Step 6: Final answer
    x = 31,289.44

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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.