Home / 31,447.58-47,193.25-20,326.69

Finding the Fourth Proportional to 31,447.58, 47,193.25 and 20,326.69

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Solution

The fourth proportional to 31,447.58, 47,193.25 and 20,326.69 is: 30,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.58 : 47,193.25 = 20,326.69 : x
  2. Step 2: Convert to fraction form
    31,447.58/47,193.25 = 20,326.69/x
  3. Step 3: Cross multiply
    31,447.58x = 47,193.25 × 20,326.69
  4. Step 4: Simplify right side
    31,447.58x = 959,282,394.04
  5. Step 5: Solve for x
    x = 959,282,394.04/31,447.58
  6. Step 6: Final answer
    x = 30,504.17

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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.