Home / 30,935.35-42,624.84-20,846.27

Finding the Fourth Proportional to 30,935.35, 42,624.84 and 20,846.27

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Solution

The fourth proportional to 30,935.35, 42,624.84 and 20,846.27 is: 28,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.35 : 42,624.84 = 20,846.27 : x
  2. Step 2: Convert to fraction form
    30,935.35/42,624.84 = 20,846.27/x
  3. Step 3: Cross multiply
    30,935.35x = 42,624.84 × 20,846.27
  4. Step 4: Simplify right side
    30,935.35x = 888,568,764.67
  5. Step 5: Solve for x
    x = 888,568,764.67/30,935.35
  6. Step 6: Final answer
    x = 28,723.41

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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.