Home / 84,232.93-126,348.88-21,052.73

Finding the Fourth Proportional to 84,232.93, 126,348.88 and 21,052.73

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Solution

The fourth proportional to 84,232.93, 126,348.88 and 21,052.73 is: 31,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,232.93 : 126,348.88 = 21,052.73 : x
  2. Step 2: Convert to fraction form
    84,232.93/126,348.88 = 21,052.73/x
  3. Step 3: Cross multiply
    84,232.93x = 126,348.88 × 21,052.73
  4. Step 4: Simplify right side
    84,232.93x = 2,659,989,198.63
  5. Step 5: Solve for x
    x = 2,659,989,198.63/84,232.93
  6. Step 6: Final answer
    x = 31,578.97

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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.