Home / 20,644.52-31,017.42-13,252.04

Finding the Fourth Proportional to 20,644.52, 31,017.42 and 13,252.04

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Solution

The fourth proportional to 20,644.52, 31,017.42 and 13,252.04 is: 19,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644.52 : 31,017.42 = 13,252.04 : x
  2. Step 2: Convert to fraction form
    20,644.52/31,017.42 = 13,252.04/x
  3. Step 3: Cross multiply
    20,644.52x = 31,017.42 × 13,252.04
  4. Step 4: Simplify right side
    20,644.52x = 411,044,090.54
  5. Step 5: Solve for x
    x = 411,044,090.54/20,644.52
  6. Step 6: Final answer
    x = 19,910.57

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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.