Home / 31,744.08-47,616.12-8,372.34

Finding the Fourth Proportional to 31,744.08, 47,616.12 and 8,372.34

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Solution

The fourth proportional to 31,744.08, 47,616.12 and 8,372.34 is: 12,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,744.08 : 47,616.12 = 8,372.34 : x
  2. Step 2: Convert to fraction form
    31,744.08/47,616.12 = 8,372.34/x
  3. Step 3: Cross multiply
    31,744.08x = 47,616.12 × 8,372.34
  4. Step 4: Simplify right side
    31,744.08x = 398,658,346.12
  5. Step 5: Solve for x
    x = 398,658,346.12/31,744.08
  6. Step 6: Final answer
    x = 12,558.51

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Similar ratio
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1.5x scale

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.