Home / 31,443.04-47,191.56-16,662.34

Finding the Fourth Proportional to 31,443.04, 47,191.56 and 16,662.34

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Solution

The fourth proportional to 31,443.04, 47,191.56 and 16,662.34 is: 25,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.04 : 47,191.56 = 16,662.34 : x
  2. Step 2: Convert to fraction form
    31,443.04/47,191.56 = 16,662.34/x
  3. Step 3: Cross multiply
    31,443.04x = 47,191.56 × 16,662.34
  4. Step 4: Simplify right side
    31,443.04x = 786,321,817.85
  5. Step 5: Solve for x
    x = 786,321,817.85/31,443.04
  6. Step 6: Final answer
    x = 25,007.82

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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.