Home / 31,701.30-47,559.15-18,546.90

Finding the Fourth Proportional to 31,701.30, 47,559.15 and 18,546.90

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Solution

The fourth proportional to 31,701.30, 47,559.15 and 18,546.90 is: 27,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.30 : 47,559.15 = 18,546.90 : x
  2. Step 2: Convert to fraction form
    31,701.30/47,559.15 = 18,546.90/x
  3. Step 3: Cross multiply
    31,701.30x = 47,559.15 × 18,546.90
  4. Step 4: Simplify right side
    31,701.30x = 882,074,799.14
  5. Step 5: Solve for x
    x = 882,074,799.14/31,701.30
  6. Step 6: Final answer
    x = 27,824.56

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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.