Home / 33,240-45,874.44-18,336

Finding the Fourth Proportional to 33,240, 45,874.44 and 18,336

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Solution

The fourth proportional to 33,240, 45,874.44 and 18,336 is: 25,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240 : 45,874.44 = 18,336 : x
  2. Step 2: Convert to fraction form
    33,240/45,874.44 = 18,336/x
  3. Step 3: Cross multiply
    33,240x = 45,874.44 × 18,336
  4. Step 4: Simplify right side
    33,240x = 841,153,731.84
  5. Step 5: Solve for x
    x = 841,153,731.84/33,240
  6. Step 6: Final answer
    x = 25,305.47

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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.