Home / 54,820.45-82,236.51-17,385.85

Finding the Fourth Proportional to 54,820.45, 82,236.51 and 17,385.85

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Solution

The fourth proportional to 54,820.45, 82,236.51 and 17,385.85 is: 26,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.45 : 82,236.51 = 17,385.85 : x
  2. Step 2: Convert to fraction form
    54,820.45/82,236.51 = 17,385.85/x
  3. Step 3: Cross multiply
    54,820.45x = 82,236.51 × 17,385.85
  4. Step 4: Simplify right side
    54,820.45x = 1,429,751,627.38
  5. Step 5: Solve for x
    x = 1,429,751,627.38/54,820.45
  6. Step 6: Final answer
    x = 26,080.63

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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.