Home / 29,435.66-40,618.31-16,686.33

Finding the Fourth Proportional to 29,435.66, 40,618.31 and 16,686.33

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Solution

The fourth proportional to 29,435.66, 40,618.31 and 16,686.33 is: 23,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.66 : 40,618.31 = 16,686.33 : x
  2. Step 2: Convert to fraction form
    29,435.66/40,618.31 = 16,686.33/x
  3. Step 3: Cross multiply
    29,435.66x = 40,618.31 × 16,686.33
  4. Step 4: Simplify right side
    29,435.66x = 677,770,441.27
  5. Step 5: Solve for x
    x = 677,770,441.27/29,435.66
  6. Step 6: Final answer
    x = 23,025.49

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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.