Home / 20,434.84-30,652.20-5,441.96

Finding the Fourth Proportional to 20,434.84, 30,652.20 and 5,441.96

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Solution

The fourth proportional to 20,434.84, 30,652.20 and 5,441.96 is: 8,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434.84 : 30,652.20 = 5,441.96 : x
  2. Step 2: Convert to fraction form
    20,434.84/30,652.20 = 5,441.96/x
  3. Step 3: Cross multiply
    20,434.84x = 30,652.20 × 5,441.96
  4. Step 4: Simplify right side
    20,434.84x = 166,808,046.31
  5. Step 5: Solve for x
    x = 166,808,046.31/20,434.84
  6. Step 6: Final answer
    x = 8,162.92

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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.