Home / 31,824.30-47,743.34-12,103.23

Finding the Fourth Proportional to 31,824.30, 47,743.34 and 12,103.23

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Solution

The fourth proportional to 31,824.30, 47,743.34 and 12,103.23 is: 18,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.30 : 47,743.34 = 12,103.23 : x
  2. Step 2: Convert to fraction form
    31,824.30/47,743.34 = 12,103.23/x
  3. Step 3: Cross multiply
    31,824.30x = 47,743.34 × 12,103.23
  4. Step 4: Simplify right side
    31,824.30x = 577,848,564.47
  5. Step 5: Solve for x
    x = 577,848,564.47/31,824.30
  6. Step 6: Final answer
    x = 18,157.46

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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.