Home / 31,699.12-47,579.46-16,918.44

Finding the Fourth Proportional to 31,699.12, 47,579.46 and 16,918.44

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Solution

The fourth proportional to 31,699.12, 47,579.46 and 16,918.44 is: 25,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.12 : 47,579.46 = 16,918.44 : x
  2. Step 2: Convert to fraction form
    31,699.12/47,579.46 = 16,918.44/x
  3. Step 3: Cross multiply
    31,699.12x = 47,579.46 × 16,918.44
  4. Step 4: Simplify right side
    31,699.12x = 804,970,239.24
  5. Step 5: Solve for x
    x = 804,970,239.24/31,699.12
  6. Step 6: Final answer
    x = 25,394.09

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1.5x scale

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.