Home / 29,175.54-40,246.04-19,120.20

Finding the Fourth Proportional to 29,175.54, 40,246.04 and 19,120.20

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Solution

The fourth proportional to 29,175.54, 40,246.04 and 19,120.20 is: 26,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,175.54 : 40,246.04 = 19,120.20 : x
  2. Step 2: Convert to fraction form
    29,175.54/40,246.04 = 19,120.20/x
  3. Step 3: Cross multiply
    29,175.54x = 40,246.04 × 19,120.20
  4. Step 4: Simplify right side
    29,175.54x = 769,512,403.49
  5. Step 5: Solve for x
    x = 769,512,403.49/29,175.54
  6. Step 6: Final answer
    x = 26,375.26

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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.