Home / 31,834.25-47,754.41-13,115.56

Finding the Fourth Proportional to 31,834.25, 47,754.41 and 13,115.56

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Solution

The fourth proportional to 31,834.25, 47,754.41 and 13,115.56 is: 19,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.25 : 47,754.41 = 13,115.56 : x
  2. Step 2: Convert to fraction form
    31,834.25/47,754.41 = 13,115.56/x
  3. Step 3: Cross multiply
    31,834.25x = 47,754.41 × 13,115.56
  4. Step 4: Simplify right side
    31,834.25x = 626,325,623.64
  5. Step 5: Solve for x
    x = 626,325,623.64/31,834.25
  6. Step 6: Final answer
    x = 19,674.58

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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.