Home / 66,271.75-91,455.42-36,057.29

Finding the Fourth Proportional to 66,271.75, 91,455.42 and 36,057.29

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Solution

The fourth proportional to 66,271.75, 91,455.42 and 36,057.29 is: 49,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.75 : 91,455.42 = 36,057.29 : x
  2. Step 2: Convert to fraction form
    66,271.75/91,455.42 = 36,057.29/x
  3. Step 3: Cross multiply
    66,271.75x = 91,455.42 × 36,057.29
  4. Step 4: Simplify right side
    66,271.75x = 3,297,634,601.01
  5. Step 5: Solve for x
    x = 3,297,634,601.01/66,271.75
  6. Step 6: Final answer
    x = 49,759.28

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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.