Home / 66,319.49-91,519.67-36,105.48

Finding the Fourth Proportional to 66,319.49, 91,519.67 and 36,105.48

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Solution

The fourth proportional to 66,319.49, 91,519.67 and 36,105.48 is: 49,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.49 : 91,519.67 = 36,105.48 : x
  2. Step 2: Convert to fraction form
    66,319.49/91,519.67 = 36,105.48/x
  3. Step 3: Cross multiply
    66,319.49x = 91,519.67 × 36,105.48
  4. Step 4: Simplify right side
    66,319.49x = 3,304,361,705.06
  5. Step 5: Solve for x
    x = 3,304,361,705.06/66,319.49
  6. Step 6: Final answer
    x = 49,824.89

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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.