Home / 53,856-80,800.32-27,579.36

Finding the Fourth Proportional to 53,856, 80,800.32 and 27,579.36

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Solution

The fourth proportional to 53,856, 80,800.32 and 27,579.36 is: 41,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856 : 80,800.32 = 27,579.36 : x
  2. Step 2: Convert to fraction form
    53,856/80,800.32 = 27,579.36/x
  3. Step 3: Cross multiply
    53,856x = 80,800.32 × 27,579.36
  4. Step 4: Simplify right side
    53,856x = 2,228,421,113.40
  5. Step 5: Solve for x
    x = 2,228,421,113.40/53,856
  6. Step 6: Final answer
    x = 41,377.40

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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.