Home / 31,711.68-47,560.32-14,170.08

Finding the Fourth Proportional to 31,711.68, 47,560.32 and 14,170.08

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Solution

The fourth proportional to 31,711.68, 47,560.32 and 14,170.08 is: 21,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.68 : 47,560.32 = 14,170.08 : x
  2. Step 2: Convert to fraction form
    31,711.68/47,560.32 = 14,170.08/x
  3. Step 3: Cross multiply
    31,711.68x = 47,560.32 × 14,170.08
  4. Step 4: Simplify right side
    31,711.68x = 673,933,539.23
  5. Step 5: Solve for x
    x = 673,933,539.23/31,711.68
  6. Step 6: Final answer
    x = 21,251.90

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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.