Home / 31,872.04-47,807.62-14,329.44

Finding the Fourth Proportional to 31,872.04, 47,807.62 and 14,329.44

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Solution

The fourth proportional to 31,872.04, 47,807.62 and 14,329.44 is: 21,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.04 : 47,807.62 = 14,329.44 : x
  2. Step 2: Convert to fraction form
    31,872.04/47,807.62 = 14,329.44/x
  3. Step 3: Cross multiply
    31,872.04x = 47,807.62 × 14,329.44
  4. Step 4: Simplify right side
    31,872.04x = 685,056,422.33
  5. Step 5: Solve for x
    x = 685,056,422.33/31,872.04
  6. Step 6: Final answer
    x = 21,493.96

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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.