Home / 31,426.65-47,139.98-22,108.37

Finding the Fourth Proportional to 31,426.65, 47,139.98 and 22,108.37

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Solution

The fourth proportional to 31,426.65, 47,139.98 and 22,108.37 is: 33,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426.65 : 47,139.98 = 22,108.37 : x
  2. Step 2: Convert to fraction form
    31,426.65/47,139.98 = 22,108.37/x
  3. Step 3: Cross multiply
    31,426.65x = 47,139.98 × 22,108.37
  4. Step 4: Simplify right side
    31,426.65x = 1,042,188,119.63
  5. Step 5: Solve for x
    x = 1,042,188,119.63/31,426.65
  6. Step 6: Final answer
    x = 33,162.56

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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.