Home / 31,780.84-47,619.42-16,177

Finding the Fourth Proportional to 31,780.84, 47,619.42 and 16,177

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Solution

The fourth proportional to 31,780.84, 47,619.42 and 16,177 is: 24,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780.84 : 47,619.42 = 16,177 : x
  2. Step 2: Convert to fraction form
    31,780.84/47,619.42 = 16,177/x
  3. Step 3: Cross multiply
    31,780.84x = 47,619.42 × 16,177
  4. Step 4: Simplify right side
    31,780.84x = 770,339,357.34
  5. Step 5: Solve for x
    x = 770,339,357.34/31,780.84
  6. Step 6: Final answer
    x = 24,239.11

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1.5x scale

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.