Home / 20,354.82-30,531.92-5,563.73

Finding the Fourth Proportional to 20,354.82, 30,531.92 and 5,563.73

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Solution

The fourth proportional to 20,354.82, 30,531.92 and 5,563.73 is: 8,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.82 : 30,531.92 = 5,563.73 : x
  2. Step 2: Convert to fraction form
    20,354.82/30,531.92 = 5,563.73/x
  3. Step 3: Cross multiply
    20,354.82x = 30,531.92 × 5,563.73
  4. Step 4: Simplify right side
    20,354.82x = 169,871,178.78
  5. Step 5: Solve for x
    x = 169,871,178.78/20,354.82
  6. Step 6: Final answer
    x = 8,345.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.