Home / 31,770.88-47,679.36-22,348.96

Finding the Fourth Proportional to 31,770.88, 47,679.36 and 22,348.96

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Solution

The fourth proportional to 31,770.88, 47,679.36 and 22,348.96 is: 33,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.88 : 47,679.36 = 22,348.96 : x
  2. Step 2: Convert to fraction form
    31,770.88/47,679.36 = 22,348.96/x
  3. Step 3: Cross multiply
    31,770.88x = 47,679.36 × 22,348.96
  4. Step 4: Simplify right side
    31,770.88x = 1,065,584,109.47
  5. Step 5: Solve for x
    x = 1,065,584,109.47/31,770.88
  6. Step 6: Final answer
    x = 33,539.65

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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.