Home / 66,515.22-91,792.92-36,302.48

Finding the Fourth Proportional to 66,515.22, 91,792.92 and 36,302.48

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Solution

The fourth proportional to 66,515.22, 91,792.92 and 36,302.48 is: 50,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515.22 : 91,792.92 = 36,302.48 : x
  2. Step 2: Convert to fraction form
    66,515.22/91,792.92 = 36,302.48/x
  3. Step 3: Cross multiply
    66,515.22x = 91,792.92 × 36,302.48
  4. Step 4: Simplify right side
    66,515.22x = 3,332,310,642.44
  5. Step 5: Solve for x
    x = 3,332,310,642.44/66,515.22
  6. Step 6: Final answer
    x = 50,098.47

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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.