Home / 29,175.87-43,760.14-8,117.49

Finding the Fourth Proportional to 29,175.87, 43,760.14 and 8,117.49

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Solution

The fourth proportional to 29,175.87, 43,760.14 and 8,117.49 is: 12,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,175.87 : 43,760.14 = 8,117.49 : x
  2. Step 2: Convert to fraction form
    29,175.87/43,760.14 = 8,117.49/x
  3. Step 3: Cross multiply
    29,175.87x = 43,760.14 × 8,117.49
  4. Step 4: Simplify right side
    29,175.87x = 355,222,498.85
  5. Step 5: Solve for x
    x = 355,222,498.85/29,175.87
  6. Step 6: Final answer
    x = 12,175.22

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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.