Home / 30,239.25-41,730.17-17,664.09

Finding the Fourth Proportional to 30,239.25, 41,730.17 and 17,664.09

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Solution

The fourth proportional to 30,239.25, 41,730.17 and 17,664.09 is: 24,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.25 : 41,730.17 = 17,664.09 : x
  2. Step 2: Convert to fraction form
    30,239.25/41,730.17 = 17,664.09/x
  3. Step 3: Cross multiply
    30,239.25x = 41,730.17 × 17,664.09
  4. Step 4: Simplify right side
    30,239.25x = 737,125,390.27
  5. Step 5: Solve for x
    x = 737,125,390.27/30,239.25
  6. Step 6: Final answer
    x = 24,376.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.