Home / 31,659.82-47,492.46-8,286.25

Finding the Fourth Proportional to 31,659.82, 47,492.46 and 8,286.25

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Solution

The fourth proportional to 31,659.82, 47,492.46 and 8,286.25 is: 12,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.82 : 47,492.46 = 8,286.25 : x
  2. Step 2: Convert to fraction form
    31,659.82/47,492.46 = 8,286.25/x
  3. Step 3: Cross multiply
    31,659.82x = 47,492.46 × 8,286.25
  4. Step 4: Simplify right side
    31,659.82x = 393,534,396.68
  5. Step 5: Solve for x
    x = 393,534,396.68/31,659.82
  6. Step 6: Final answer
    x = 12,430.09

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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.