Home / 38,976.24-58,463.88-16,805.20

Finding the Fourth Proportional to 38,976.24, 58,463.88 and 16,805.20

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Solution

The fourth proportional to 38,976.24, 58,463.88 and 16,805.20 is: 25,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976.24 : 58,463.88 = 16,805.20 : x
  2. Step 2: Convert to fraction form
    38,976.24/58,463.88 = 16,805.20/x
  3. Step 3: Cross multiply
    38,976.24x = 58,463.88 × 16,805.20
  4. Step 4: Simplify right side
    38,976.24x = 982,497,196.18
  5. Step 5: Solve for x
    x = 982,497,196.18/38,976.24
  6. Step 6: Final answer
    x = 25,207.59

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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.