Home / 31,880.52-47,822.33-12,160.60

Finding the Fourth Proportional to 31,880.52, 47,822.33 and 12,160.60

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Solution

The fourth proportional to 31,880.52, 47,822.33 and 12,160.60 is: 18,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.52 : 47,822.33 = 12,160.60 : x
  2. Step 2: Convert to fraction form
    31,880.52/47,822.33 = 12,160.60/x
  3. Step 3: Cross multiply
    31,880.52x = 47,822.33 × 12,160.60
  4. Step 4: Simplify right side
    31,880.52x = 581,548,137.04
  5. Step 5: Solve for x
    x = 581,548,137.04/31,880.52
  6. Step 6: Final answer
    x = 18,241.49

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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.