Home / 31,425.65-47,138.48-22,107.37

Finding the Fourth Proportional to 31,425.65, 47,138.48 and 22,107.37

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Solution

The fourth proportional to 31,425.65, 47,138.48 and 22,107.37 is: 33,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.65 : 47,138.48 = 22,107.37 : x
  2. Step 2: Convert to fraction form
    31,425.65/47,138.48 = 22,107.37/x
  3. Step 3: Cross multiply
    31,425.65x = 47,138.48 × 22,107.37
  4. Step 4: Simplify right side
    31,425.65x = 1,042,107,612.87
  5. Step 5: Solve for x
    x = 1,042,107,612.87/31,425.65
  6. Step 6: Final answer
    x = 33,161.05

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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.