Home / 66,541.25-91,821.41-37,853.28

Finding the Fourth Proportional to 66,541.25, 91,821.41 and 37,853.28

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Solution

The fourth proportional to 66,541.25, 91,821.41 and 37,853.28 is: 52,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.25 : 91,821.41 = 37,853.28 : x
  2. Step 2: Convert to fraction form
    66,541.25/91,821.41 = 37,853.28/x
  3. Step 3: Cross multiply
    66,541.25x = 91,821.41 × 37,853.28
  4. Step 4: Simplify right side
    66,541.25x = 3,475,741,542.72
  5. Step 5: Solve for x
    x = 3,475,741,542.72/66,541.25
  6. Step 6: Final answer
    x = 52,234.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.