Home / 30,566.15-42,183.32-17,138.27

Finding the Fourth Proportional to 30,566.15, 42,183.32 and 17,138.27

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Solution

The fourth proportional to 30,566.15, 42,183.32 and 17,138.27 is: 23,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.15 : 42,183.32 = 17,138.27 : x
  2. Step 2: Convert to fraction form
    30,566.15/42,183.32 = 17,138.27/x
  3. Step 3: Cross multiply
    30,566.15x = 42,183.32 × 17,138.27
  4. Step 4: Simplify right side
    30,566.15x = 722,949,127.66
  5. Step 5: Solve for x
    x = 722,949,127.66/30,566.15
  6. Step 6: Final answer
    x = 23,651.95

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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.