Home / 31,581.66-47,372.46-9,394.98

Finding the Fourth Proportional to 31,581.66, 47,372.46 and 9,394.98

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Solution

The fourth proportional to 31,581.66, 47,372.46 and 9,394.98 is: 14,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.66 : 47,372.46 = 9,394.98 : x
  2. Step 2: Convert to fraction form
    31,581.66/47,372.46 = 9,394.98/x
  3. Step 3: Cross multiply
    31,581.66x = 47,372.46 × 9,394.98
  4. Step 4: Simplify right side
    31,581.66x = 445,063,314.25
  5. Step 5: Solve for x
    x = 445,063,314.25/31,581.66
  6. Step 6: Final answer
    x = 14,092.46

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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.