Home / 31,403.46-47,110.32-9,217.56

Finding the Fourth Proportional to 31,403.46, 47,110.32 and 9,217.56

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Solution

The fourth proportional to 31,403.46, 47,110.32 and 9,217.56 is: 13,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.46 : 47,110.32 = 9,217.56 : x
  2. Step 2: Convert to fraction form
    31,403.46/47,110.32 = 9,217.56/x
  3. Step 3: Cross multiply
    31,403.46x = 47,110.32 × 9,217.56
  4. Step 4: Simplify right side
    31,403.46x = 434,242,201.22
  5. Step 5: Solve for x
    x = 434,242,201.22/31,403.46
  6. Step 6: Final answer
    x = 13,827.85

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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.