Home / 31,457.25-47,193.17-10,680.75

Finding the Fourth Proportional to 31,457.25, 47,193.17 and 10,680.75

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Solution

The fourth proportional to 31,457.25, 47,193.17 and 10,680.75 is: 16,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.25 : 47,193.17 = 10,680.75 : x
  2. Step 2: Convert to fraction form
    31,457.25/47,193.17 = 10,680.75/x
  3. Step 3: Cross multiply
    31,457.25x = 47,193.17 × 10,680.75
  4. Step 4: Simplify right side
    31,457.25x = 504,058,450.48
  5. Step 5: Solve for x
    x = 504,058,450.48/31,457.25
  6. Step 6: Final answer
    x = 16,023.60

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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.