Home / 31,847.12-47,765.35-9,655.19

Finding the Fourth Proportional to 31,847.12, 47,765.35 and 9,655.19

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Solution

The fourth proportional to 31,847.12, 47,765.35 and 9,655.19 is: 14,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.12 : 47,765.35 = 9,655.19 : x
  2. Step 2: Convert to fraction form
    31,847.12/47,765.35 = 9,655.19/x
  3. Step 3: Cross multiply
    31,847.12x = 47,765.35 × 9,655.19
  4. Step 4: Simplify right side
    31,847.12x = 461,183,661.15
  5. Step 5: Solve for x
    x = 461,183,661.15/31,847.12
  6. Step 6: Final answer
    x = 14,481.17

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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.