Home / 31,367.59-47,063.62-13,825.06

Finding the Fourth Proportional to 31,367.59, 47,063.62 and 13,825.06

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Solution

The fourth proportional to 31,367.59, 47,063.62 and 13,825.06 is: 20,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.59 : 47,063.62 = 13,825.06 : x
  2. Step 2: Convert to fraction form
    31,367.59/47,063.62 = 13,825.06/x
  3. Step 3: Cross multiply
    31,367.59x = 47,063.62 × 13,825.06
  4. Step 4: Simplify right side
    31,367.59x = 650,657,100.44
  5. Step 5: Solve for x
    x = 650,657,100.44/31,367.59
  6. Step 6: Final answer
    x = 20,742.98

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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.