Home / 53,755.34-80,649.27-21,717.95

Finding the Fourth Proportional to 53,755.34, 80,649.27 and 21,717.95

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Solution

The fourth proportional to 53,755.34, 80,649.27 and 21,717.95 is: 32,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.34 : 80,649.27 = 21,717.95 : x
  2. Step 2: Convert to fraction form
    53,755.34/80,649.27 = 21,717.95/x
  3. Step 3: Cross multiply
    53,755.34x = 80,649.27 × 21,717.95
  4. Step 4: Simplify right side
    53,755.34x = 1,751,536,410.15
  5. Step 5: Solve for x
    x = 1,751,536,410.15/53,755.34
  6. Step 6: Final answer
    x = 32,583.49

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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.