Home / 30,247.76-41,742.42-16,636.38

Finding the Fourth Proportional to 30,247.76, 41,742.42 and 16,636.38

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Solution

The fourth proportional to 30,247.76, 41,742.42 and 16,636.38 is: 22,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.76 : 41,742.42 = 16,636.38 : x
  2. Step 2: Convert to fraction form
    30,247.76/41,742.42 = 16,636.38/x
  3. Step 3: Cross multiply
    30,247.76x = 41,742.42 × 16,636.38
  4. Step 4: Simplify right side
    30,247.76x = 694,442,761.24
  5. Step 5: Solve for x
    x = 694,442,761.24/30,247.76
  6. Step 6: Final answer
    x = 22,958.49

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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.