Home / 47,654.24-71,480.92-12,115.64

Finding the Fourth Proportional to 47,654.24, 71,480.92 and 12,115.64

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Solution

The fourth proportional to 47,654.24, 71,480.92 and 12,115.64 is: 18,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,654.24 : 71,480.92 = 12,115.64 : x
  2. Step 2: Convert to fraction form
    47,654.24/71,480.92 = 12,115.64/x
  3. Step 3: Cross multiply
    47,654.24x = 71,480.92 × 12,115.64
  4. Step 4: Simplify right side
    47,654.24x = 866,037,093.59
  5. Step 5: Solve for x
    x = 866,037,093.59/47,654.24
  6. Step 6: Final answer
    x = 18,173.35

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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.