Home / 31,908.04-47,832.49-14,129.23

Finding the Fourth Proportional to 31,908.04, 47,832.49 and 14,129.23

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Solution

The fourth proportional to 31,908.04, 47,832.49 and 14,129.23 is: 21,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.04 : 47,832.49 = 14,129.23 : x
  2. Step 2: Convert to fraction form
    31,908.04/47,832.49 = 14,129.23/x
  3. Step 3: Cross multiply
    31,908.04x = 47,832.49 × 14,129.23
  4. Step 4: Simplify right side
    31,908.04x = 675,836,252.68
  5. Step 5: Solve for x
    x = 675,836,252.68/31,908.04
  6. Step 6: Final answer
    x = 21,180.75

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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.