Home / 31,592.70-47,375.89-12,860.03

Finding the Fourth Proportional to 31,592.70, 47,375.89 and 12,860.03

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Solution

The fourth proportional to 31,592.70, 47,375.89 and 12,860.03 is: 19,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.70 : 47,375.89 = 12,860.03 : x
  2. Step 2: Convert to fraction form
    31,592.70/47,375.89 = 12,860.03/x
  3. Step 3: Cross multiply
    31,592.70x = 47,375.89 × 12,860.03
  4. Step 4: Simplify right side
    31,592.70x = 609,255,452.97
  5. Step 5: Solve for x
    x = 609,255,452.97/31,592.70
  6. Step 6: Final answer
    x = 19,284.69

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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.