Home / 34,664.42-47,849.16-20,517.24

Finding the Fourth Proportional to 34,664.42, 47,849.16 and 20,517.24

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Solution

The fourth proportional to 34,664.42, 47,849.16 and 20,517.24 is: 28,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,664.42 : 47,849.16 = 20,517.24 : x
  2. Step 2: Convert to fraction form
    34,664.42/47,849.16 = 20,517.24/x
  3. Step 3: Cross multiply
    34,664.42x = 47,849.16 × 20,517.24
  4. Step 4: Simplify right side
    34,664.42x = 981,732,699.52
  5. Step 5: Solve for x
    x = 981,732,699.52/34,664.42
  6. Step 6: Final answer
    x = 28,321.05

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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.