Home / 31,293.60-43,183.44-17,143.64

Finding the Fourth Proportional to 31,293.60, 43,183.44 and 17,143.64

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Solution

The fourth proportional to 31,293.60, 43,183.44 and 17,143.64 is: 23,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.60 : 43,183.44 = 17,143.64 : x
  2. Step 2: Convert to fraction form
    31,293.60/43,183.44 = 17,143.64/x
  3. Step 3: Cross multiply
    31,293.60x = 43,183.44 × 17,143.64
  4. Step 4: Simplify right side
    31,293.60x = 740,321,349.32
  5. Step 5: Solve for x
    x = 740,321,349.32/31,293.60
  6. Step 6: Final answer
    x = 23,657.28

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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.