Home / 84,410.44-126,634.38-31,820.38

Finding the Fourth Proportional to 84,410.44, 126,634.38 and 31,820.38

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Solution

The fourth proportional to 84,410.44, 126,634.38 and 31,820.38 is: 47,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,410.44 : 126,634.38 = 31,820.38 : x
  2. Step 2: Convert to fraction form
    84,410.44/126,634.38 = 31,820.38/x
  3. Step 3: Cross multiply
    84,410.44x = 126,634.38 × 31,820.38
  4. Step 4: Simplify right side
    84,410.44x = 4,029,554,092.66
  5. Step 5: Solve for x
    x = 4,029,554,092.66/84,410.44
  6. Step 6: Final answer
    x = 47,737.63

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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.