Home / 53,856.71-80,821.99-18,796.37

Finding the Fourth Proportional to 53,856.71, 80,821.99 and 18,796.37

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Solution

The fourth proportional to 53,856.71, 80,821.99 and 18,796.37 is: 28,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.71 : 80,821.99 = 18,796.37 : x
  2. Step 2: Convert to fraction form
    53,856.71/80,821.99 = 18,796.37/x
  3. Step 3: Cross multiply
    53,856.71x = 80,821.99 × 18,796.37
  4. Step 4: Simplify right side
    53,856.71x = 1,519,159,996.46
  5. Step 5: Solve for x
    x = 1,519,159,996.46/53,856.71
  6. Step 6: Final answer
    x = 28,207.44

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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.