Home / 31,989.14-47,983.71-16,396.82

Finding the Fourth Proportional to 31,989.14, 47,983.71 and 16,396.82

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Solution

The fourth proportional to 31,989.14, 47,983.71 and 16,396.82 is: 24,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.14 : 47,983.71 = 16,396.82 : x
  2. Step 2: Convert to fraction form
    31,989.14/47,983.71 = 16,396.82/x
  3. Step 3: Cross multiply
    31,989.14x = 47,983.71 × 16,396.82
  4. Step 4: Simplify right side
    31,989.14x = 786,780,255.80
  5. Step 5: Solve for x
    x = 786,780,255.80/31,989.14
  6. Step 6: Final answer
    x = 24,595.23

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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.