Home / 30,662.64-42,313.44-17,233.56

Finding the Fourth Proportional to 30,662.64, 42,313.44 and 17,233.56

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Solution

The fourth proportional to 30,662.64, 42,313.44 and 17,233.56 is: 23,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.64 : 42,313.44 = 17,233.56 : x
  2. Step 2: Convert to fraction form
    30,662.64/42,313.44 = 17,233.56/x
  3. Step 3: Cross multiply
    30,662.64x = 42,313.44 × 17,233.56
  4. Step 4: Simplify right side
    30,662.64x = 729,211,207.05
  5. Step 5: Solve for x
    x = 729,211,207.05/30,662.64
  6. Step 6: Final answer
    x = 23,781.75

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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.