Home / 31,446.58-47,171.04-9,259.96

Finding the Fourth Proportional to 31,446.58, 47,171.04 and 9,259.96

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Solution

The fourth proportional to 31,446.58, 47,171.04 and 9,259.96 is: 13,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.58 : 47,171.04 = 9,259.96 : x
  2. Step 2: Convert to fraction form
    31,446.58/47,171.04 = 9,259.96/x
  3. Step 3: Cross multiply
    31,446.58x = 47,171.04 × 9,259.96
  4. Step 4: Simplify right side
    31,446.58x = 436,801,943.56
  5. Step 5: Solve for x
    x = 436,801,943.56/31,446.58
  6. Step 6: Final answer
    x = 13,890.28

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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.