Home / 34,361.76-51,542.88-12,175.68

Finding the Fourth Proportional to 34,361.76, 51,542.88 and 12,175.68

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Solution

The fourth proportional to 34,361.76, 51,542.88 and 12,175.68 is: 18,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,361.76 : 51,542.88 = 12,175.68 : x
  2. Step 2: Convert to fraction form
    34,361.76/51,542.88 = 12,175.68/x
  3. Step 3: Cross multiply
    34,361.76x = 51,542.88 × 12,175.68
  4. Step 4: Simplify right side
    34,361.76x = 627,569,613.16
  5. Step 5: Solve for x
    x = 627,569,613.16/34,361.76
  6. Step 6: Final answer
    x = 18,263.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.