Home / 30,309.55-41,845.86-19,563.88

Finding the Fourth Proportional to 30,309.55, 41,845.86 and 19,563.88

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Solution

The fourth proportional to 30,309.55, 41,845.86 and 19,563.88 is: 27,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.55 : 41,845.86 = 19,563.88 : x
  2. Step 2: Convert to fraction form
    30,309.55/41,845.86 = 19,563.88/x
  3. Step 3: Cross multiply
    30,309.55x = 41,845.86 × 19,563.88
  4. Step 4: Simplify right side
    30,309.55x = 818,667,383.54
  5. Step 5: Solve for x
    x = 818,667,383.54/30,309.55
  6. Step 6: Final answer
    x = 27,010.21

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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.