Home / 66,272.45-91,455.98-36,057.78

Finding the Fourth Proportional to 66,272.45, 91,455.98 and 36,057.78

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Solution

The fourth proportional to 66,272.45, 91,455.98 and 36,057.78 is: 49,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272.45 : 91,455.98 = 36,057.78 : x
  2. Step 2: Convert to fraction form
    66,272.45/91,455.98 = 36,057.78/x
  3. Step 3: Cross multiply
    66,272.45x = 91,455.98 × 36,057.78
  4. Step 4: Simplify right side
    66,272.45x = 3,297,699,426.24
  5. Step 5: Solve for x
    x = 3,297,699,426.24/66,272.45
  6. Step 6: Final answer
    x = 49,759.74

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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.