Home / 31,654.12-47,517.84-18,515.92

Finding the Fourth Proportional to 31,654.12, 47,517.84 and 18,515.92

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Solution

The fourth proportional to 31,654.12, 47,517.84 and 18,515.92 is: 27,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.12 : 47,517.84 = 18,515.92 : x
  2. Step 2: Convert to fraction form
    31,654.12/47,517.84 = 18,515.92/x
  3. Step 3: Cross multiply
    31,654.12x = 47,517.84 × 18,515.92
  4. Step 4: Simplify right side
    31,654.12x = 879,836,524.01
  5. Step 5: Solve for x
    x = 879,836,524.01/31,654.12
  6. Step 6: Final answer
    x = 27,795.32

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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.