Home / 31,983.12-47,941.88-12,256.56

Finding the Fourth Proportional to 31,983.12, 47,941.88 and 12,256.56

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Solution

The fourth proportional to 31,983.12, 47,941.88 and 12,256.56 is: 18,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.12 : 47,941.88 = 12,256.56 : x
  2. Step 2: Convert to fraction form
    31,983.12/47,941.88 = 12,256.56/x
  3. Step 3: Cross multiply
    31,983.12x = 47,941.88 × 12,256.56
  4. Step 4: Simplify right side
    31,983.12x = 587,602,528.73
  5. Step 5: Solve for x
    x = 587,602,528.73/31,983.12
  6. Step 6: Final answer
    x = 18,372.27

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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.