Home / 22,110.68-33,238.92-20,487.44

Finding the Fourth Proportional to 22,110.68, 33,238.92 and 20,487.44

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Solution

The fourth proportional to 22,110.68, 33,238.92 and 20,487.44 is: 30,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.68 : 33,238.92 = 20,487.44 : x
  2. Step 2: Convert to fraction form
    22,110.68/33,238.92 = 20,487.44/x
  3. Step 3: Cross multiply
    22,110.68x = 33,238.92 × 20,487.44
  4. Step 4: Simplify right side
    22,110.68x = 680,980,379.16
  5. Step 5: Solve for x
    x = 680,980,379.16/22,110.68
  6. Step 6: Final answer
    x = 30,798.71

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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.