Home / 31,346.11-43,242-18,593.68

Finding the Fourth Proportional to 31,346.11, 43,242 and 18,593.68

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Solution

The fourth proportional to 31,346.11, 43,242 and 18,593.68 is: 25,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.11 : 43,242 = 18,593.68 : x
  2. Step 2: Convert to fraction form
    31,346.11/43,242 = 18,593.68/x
  3. Step 3: Cross multiply
    31,346.11x = 43,242 × 18,593.68
  4. Step 4: Simplify right side
    31,346.11x = 804,027,910.56
  5. Step 5: Solve for x
    x = 804,027,910.56/31,346.11
  6. Step 6: Final answer
    x = 25,650.01

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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.