Home / 53,755.32-80,649.30-21,717.96

Finding the Fourth Proportional to 53,755.32, 80,649.30 and 21,717.96

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Solution

The fourth proportional to 53,755.32, 80,649.30 and 21,717.96 is: 32,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.32 : 80,649.30 = 21,717.96 : x
  2. Step 2: Convert to fraction form
    53,755.32/80,649.30 = 21,717.96/x
  3. Step 3: Cross multiply
    53,755.32x = 80,649.30 × 21,717.96
  4. Step 4: Simplify right side
    53,755.32x = 1,751,538,271.43
  5. Step 5: Solve for x
    x = 1,751,538,271.43/53,755.32
  6. Step 6: Final answer
    x = 32,583.53

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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.