Home / 31,305.60-43,201.49-17,158.41

Finding the Fourth Proportional to 31,305.60, 43,201.49 and 17,158.41

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Solution

The fourth proportional to 31,305.60, 43,201.49 and 17,158.41 is: 23,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.60 : 43,201.49 = 17,158.41 : x
  2. Step 2: Convert to fraction form
    31,305.60/43,201.49 = 17,158.41/x
  3. Step 3: Cross multiply
    31,305.60x = 43,201.49 × 17,158.41
  4. Step 4: Simplify right side
    31,305.60x = 741,268,792.24
  5. Step 5: Solve for x
    x = 741,268,792.24/31,305.60
  6. Step 6: Final answer
    x = 23,678.47

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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.