Home / 31,824.11-47,743.05-12,103.04

Finding the Fourth Proportional to 31,824.11, 47,743.05 and 12,103.04

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Solution

The fourth proportional to 31,824.11, 47,743.05 and 12,103.04 is: 18,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.11 : 47,743.05 = 12,103.04 : x
  2. Step 2: Convert to fraction form
    31,824.11/47,743.05 = 12,103.04/x
  3. Step 3: Cross multiply
    31,824.11x = 47,743.05 × 12,103.04
  4. Step 4: Simplify right side
    31,824.11x = 577,836,208.62
  5. Step 5: Solve for x
    x = 577,836,208.62/31,824.11
  6. Step 6: Final answer
    x = 18,157.18

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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.