Home / 31,473.40-47,180.94-15,872.92

Finding the Fourth Proportional to 31,473.40, 47,180.94 and 15,872.92

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Solution

The fourth proportional to 31,473.40, 47,180.94 and 15,872.92 is: 23,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.40 : 47,180.94 = 15,872.92 : x
  2. Step 2: Convert to fraction form
    31,473.40/47,180.94 = 15,872.92/x
  3. Step 3: Cross multiply
    31,473.40x = 47,180.94 × 15,872.92
  4. Step 4: Simplify right side
    31,473.40x = 748,899,286.14
  5. Step 5: Solve for x
    x = 748,899,286.14/31,473.40
  6. Step 6: Final answer
    x = 23,794.67

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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.