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Finding the Fourth Proportional to 66,232.88, 91,379.04 and 37,549.44

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Solution

The fourth proportional to 66,232.88, 91,379.04 and 37,549.44 is: 51,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.88 : 91,379.04 = 37,549.44 : x
  2. Step 2: Convert to fraction form
    66,232.88/91,379.04 = 37,549.44/x
  3. Step 3: Cross multiply
    66,232.88x = 91,379.04 × 37,549.44
  4. Step 4: Simplify right side
    66,232.88x = 3,431,231,779.74
  5. Step 5: Solve for x
    x = 3,431,231,779.74/66,232.88
  6. Step 6: Final answer
    x = 51,805.57

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1.5x scale

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.